Answer & Explanation:
Two major types of mutations are deletions and substitutions
Deletion occurs when the DNA replication machinery misses or removes some nucleotides, meaning some of the sequence is missing from the new DNA. This can be just one nucleotide, a few, or lots of nucleotides.
Substitution occurs when the DNA replication machinery makes the wrong sequence, substituting one or several bases for others.
Both of these mutations can be deleterious, and occur at the level of the individual nucleotide. The effects of each of them greatly depend on the location and size of the mutation.
If a small deletion occurs at a relatively unimportant region, for example a non-coding region, or a part of the coding region that is not essential to the structure or function of a protein, then the deletion might not be too problematic to the cell. On the other hand, if even a small deletion were to affect the active site of an enzyme, a binding site, or destroy a key structural residue, then the protein could not perform its function properly. Depending on the role of the protein, this could be disastrous for the cell. The same principles apply for the substitution. If the substitution replaces important nucleotides for ones that change the amino acid sequence of important sites, then the protein could not perform its function. Alternatively, some regions might be more flexible, and the substitution could be inconsequential. Another way that a substitution might not be too problematic, is if the final amino acid that resulted from the substitution was either the same, or had similar properties, to the initial amino acid that was coded for. For example, if the initial and replacement amino acids were both uncharged, as opposed to if a uncharged residue was replaced with a negatively charged amino acid. Another difference in these mutations is that a deletion can cause a frameshift mutation. Frameshift mutations occur when the "triplet" nature of the genetic code is disrupted, such that the entire sequence is affected. I.e. if you remove one nuclelotide, then everything after that is read differently, as the machinery reads it in threesThis means that the entire protein after the deletion site is incorrect.An example of a deletion mutation that causes a disease is in cystic fibrosis, where there is a deletion in the gene CFTR. The most common mutation, is a deletion of three nucleotides that causes a the loss of the amino acid phenylalanine at residue 508.
An example of a substitution mutation causing a disease is sickle cell anemia, which changes a glutamic acid to a valine in the haemoglobin protein.
Final answer:
The two major types of mutations are germline and somatic mutations, both involving DNA sequence changes but differing in heritability and impact. Germline mutations are inheritable and affect all cells of the offspring, while somatic mutations are not inheritable and only affect certain cells in the individual.
Explanation:
Major Types of Mutations and Their Distinctions
There are two major types of mutations: germline mutations and somatic mutations. Both play crucial roles in biology, but have distinctive characteristics and implications.
Germline Mutations
Germline mutations occur in the sex cells, such as eggs and sperm. These mutations are heritable, meaning they can be passed down to offspring. For example, a mutation in the BRCA gene associated with increased cancer risk is a germline mutation, as it can be inherited from a parent.
Somatic Mutations
Somatic mutations occur in other cells of the body, excluding the sex cells. These mutations are not passed down to offspring but can lead to diseases such as cancer within the individual. An example of a somatic mutation is the acquisition of mutations in the TP53 gene in a single liver cell, leading to liver cancer.
Commonalities and Differences
Both types of mutations involve changes in the DNA sequence. However, germline mutations affect the offspring's entire genome and are heritable, while somatic mutations affect only certain cells in an individual and are not heritable. Understanding the differences between these mutations is crucial for genetics and medical research.
The product of 279 and which number has three decimal places?
1.4
2.741
32.4
72.43
Answer:
2.741
Explanation:
it has three decimal places unlike the other numbers provided in the question.
The correct option is B. The product of 279 and 2.741 is 765.279, which has three decimal places.
To determine which number, when multiplied by 279, results in a product with three decimal places, we can check each option.
1. Option A: 1.4
279 x 1.4 = 390.6
This has only one decimal place, not three.
2. Option B: 2.741
279 x 2.741 = 765.279
This has three decimal places.
3. Option C: 32.4
279 x 32.4 = 9051.6
This has one decimal place, not three.
4. Option D: 72.43
279 x 72.43 = 20295.57
This has two decimal places, not three.
The correct question is:
The product of 279 and which number has three decimal places?
A. 1.4
B. 2.741
C. 32.4
D. 72.43
Which statements describe some ways that the student recorded data incorrectly on the lab report to the right?
A. The speed data should all be arranged in
increasing order.
B. No units are given for the speed of the water.
C. Millimeters are not the best unit to use for the
distance.
D. Wind speed should be in mph.
E. The student mixes units of length, using SI units for distance and customary units for depth.
The student recorded data incorrectly by omitting units for the speed of water and potentially mixing units for length and depth. Appropriate and consistent units must always accompany scientific measurements, and an understanding of both SI and customary units is necessary.
When recording data, it is essential that units are always included to avoid confusion and ensure precision in communicating the results. While there is no strict rule that speed data must be arranged in increasing order, it could help in some analyses. However, if the data does not include units for the speed of the water (statement B), then that is incorrect. The choice of millimeters as a unit for distance (statement C) depends on the desired precision and the context of the experiment; millimeters are a fine unit for short distances, but could be impractical for longer ones. Wind speed does not necessarily need to be in mph (statement D) as it depends on the regional or scientific standard; both m/s and km/h are also commonly used. Lastly, mixing SI units for distance with customary units for depth (statement E) can lead to confusion and should be avoided; consistency in the unit system is crucial unless there's a specific reason to convert between them. Furthermore, consistency is important when presenting data. It's crucial for students to understand both SI and customary units to effectively interpret and communicate scientific information, which includes being able to convert units when necessary. Therefore, the student must check their lab report to ensure that units are present, appropriate, and consistent throughout the document.
Which of the following accurately describes what makes a material a good conductor?
A. It must resist neutron flow.
B. It must readily accept electron flow.
C. It must readily accept neutron flow.
D. It must resist electron flow.
Answer: Option B
Explanation:
The electrical current is defined as the flow of electrons inside a material.
As more electrons can flow in a given time (for a fixed area, suppose the transversal area of a wire), more electricity is being generated.
Some materials have some resistance to the flow of electrons because they have "obstacles" that impede the free flow of the electrons, and when the electrons hit those obstacles, energy is liberated, this is why some materials heat up as a current flows throw them.
Now, you also may know that as the temperature of an object increases, also the kinetic energy of the particles inside of it, so the particles of the material will be moving a lot more, and because of this, the electrons will find more resistance to the motion.
The correct answer here is B; a good conductor must readly accept the electron flow.
Answer:
Readily accept electron flow
Explanation:
The answer is b. Readily accept electron flow. It is because electron flow is the reason for generation of electricity i.e, current is produced in the direction opposite to the electron flow. In order to behave as a good conductor, it must allow free flow of electrons through it. Hope it helps:)))
How do the random distribution of chromosomes and crossovers create more variation in the resulting gametes?
When cells divide during meiosis, homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other. This is called independent assortment. It results in gametes that have unique combinations of chromosomes.
Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.
Sexual reproduction results in genetic variation through crossing-over, independent assortment, and random fertilization, leading to a vast number of unique genetic combinations.
Explanation:The process of sexual reproduction is able to produce a significant amount of genetic variation in offspring. This variation emanates from three pivotal events: crossing-over, independent assortment, and random fertilization. Crossing-over is a critical event during meiosis where there is a reciprocal exchange of DNA between maternal and paternal chromosomes. This leads to chromosomes with a mix of genetic material from both parents, which are then passed into gametes.
Moreover, the independent assortment of chromosomes during metaphase I further contributes to genetic diversity. This occurs when homologous chromosomes align randomly at the metaphase plate, and each daughter cell receives a random mix of maternal and paternal chromosomes. Given that humans have 23 pairs of chromosomes, over eight million combinations can result just from this random assortment. This figure doesn't even include the additional diversity brought about by crossing-over.
Lastly, random fertilization amplifies the potential for variation, as the combination of one randomly selected gamete with another during fertilization results in a zygote with a unique genetic makeup. These mechanisms ensure that the likelihood of producing two genetically identical gametes is extremely unlikely, which plays an important role in the survival and evolution of species.
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In a cell that is undergoing mitosis, what first happens to the chromosomes after the nuclear envelope breaks down?
A. They replicate to make a new copy of DNA .
B. They line up at the equator of the cell.
C. They pair up as homologous chromosomes.
D. They are moved to either pole of the cell.
Answer:
B
Explanation:
Answer:
B. They line up at the equator of the cell.
What is the difference between the grassland and savanna biomes?
Grassland biomes are closer to the equator and receive more rain
Savanna biomes are closer to the equator and receive more rain.
Grassland biomes contain mostly grasses
Savanna biomes contain mostly grasses
Answer:
Savanna biomes are closer to the equator and receive more rain.
Explanation:
Biomes are large geographic regions defined by a specific type of climate pattern and certain dominant plant and animal communities. Both grassland biomes and savanna biomes contain mostly grasses. Grassland biomes are found in semi-arid climate regions, where the rainfall is not sufficient to support significant tree growth. Savannas are grassy ecosystems with a significant component of woody-plants like shrubs or trees. They are found closer to the equator because of their warm climate requirements. They have two distinct seasons; a rainy season in the summer with a good amount of rain and a dry season in the winter.
Answer:
B-Savannas are closer to the equator than grasslands.
Explanation:
I took the lesson thingy on edge
Which data help hydrologists predict floods?
Answer:
Hydrologists require various data like the amount of rainfall, amount of vegetation present and so on. Different types of data used by the hydrologists to predict floods. Two most common type of information are related to impermeable land and snowpack.
Explanation:
The following are the data that is required by hydrologists to predict floods in a particular area:
Impermeable land.Snowpack. Amount of rainfall in a particular area.Changes that may occur at the river water level due to high rainfall.Extent, duration, and intensity of storms that produce moisture.Information about the river drainage system, the temperature of the ground, vegetation cover in a given area, and impermeable land area to predict the severity of the floods.Gastric lipase has an optimal temperature of 37°C. Sketch an optimal temperature graph below.
Answer:
See attached picture
Explanation:
An optimal temperature graph plots the rate of the enzyme reaction against the temperature. We know that the optimal temperature of this enzyme is 37C, so we know that at this temperature, the rate will be highest.
Additionally, there will be a minimum temperature required for the enzyme to work at all, which is why the line graph slowly increases the rate until its optimum at 37C.
Finally, at higher temperatures, the enzyme will become denatured and its activity will be diminished. This is why the activity drops at high temperatures and is non-existent at very high temperatures.
How does the process of natural selection work?
Answer:
If I am correct it is when the weaker individuals or mutated individuals are killed of by other predators or by nature. Because they cannot survive this is natural selection because they are killed of by nature. Then if they are weak their species will go extinct, thus they are naturally selected to die and only the strong species remain.
Answer: The process by which organisms that are better suited to their environment than others produce more offspring. As a result of natural selection, the proportion of organisms in a species with characteristics that are given environment increases with each generation
Explanation: Hope this helps
Compare and contrast metamorphic, igneous, and sedimentary rocks
Answer:
Sedimentary rocks are formed from the accumulation of minerals due to erosion.
Metamorphic rocks are rocks formed under extreme heat and pressure.
Igneous rock is a type of rock formed when magma cools.
All three are rocks formed under different circumstances.
A student claims that if the animal producing the spermatozoa has a mutation in a mitochondrial gene, the probability that any offspring will inherit the mutation is zero. Provide evidence to support claim.
Answer:
Mitochondrial DNA is inherited from the maternal side
Explanation:
Mitochondrial DNA is inherited from the maternal side (from the oocyte). The mitochondria from the sperm cell including their DNA are degrade after fertilisation.
The size of the cells that make the zygote also contribute to this. The oocyte is much larger than the sperm, containing around 100,000 mitochondria, whereas the much smaller sperm cell only contains around 100. This means even initially, there are very few paternal mitochondria compared to maternal mitochondria in the first place, effectively diluting them out.
This, coupled with the degradation of the sperm mitochondria, means that offspring will not inherit mitochondrial DNA and any mutations from their father.
Sperm or the spermatozoa is a male reproductive cell. It consists of flagella, head and body. The sperm or the male cell fertilizes with the female reproductive cell called the egg to produce offspring.
If the organism producing the spermatozoa has a modification in a mitochondrial gene, then the possibility of offspring having a mutation will be zero.
The explanation for the above statement is:
Mitochondrial gene is obtained from the maternal side that is the mother's reproductive cells (oocyte).The mitochondria of the male reproductive cell the sperm degenerate after the process of fertilization and do not take part further in the process.The abundance of female mitochondria outnumbers the mitochondria present in the sperm cells.Therefore, mitochondrial DNA transfers exclusively from the mother to the offspring.
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What is "change" when we are talking about natural and physical systems?
A.
Repeated processes that are used in a variety of ways
B.
Information that has been proven to be true
C.
A process for using knowledge and skills to acquire new knowledge
D.
A variable or alteration to one part that affects an entire system
Answer:
D
Explanation:
A variable or alteration to one part that affects an entire system
Which term describes the maximum number of individuals an ecosystem can
support over time for a given population?
A. Life span
B. Death rate
C. Immigration rate
D. Carrying capacity
Answer:
(D) Carrying capacity describes the maximum number of individuals an ecosystem can support over time for a given population
Explanation:
The population size which can be supported indefinitely upon those service and resources which is available in ecosystem. These factors affect carrying capacity.
(1) The quantity of resources which is available In ecosystem.
(2) Population size and
(3) The amount of resource which is consumed by each individual
In a habitat, carrying capacity is different for each species. The reason behind it is the requirement of their food, shelter is different. When there is a lack of availability of food, then the population present there will decrease eventually.
7. Darrin identifies a deposit of talus bear the side of a landform. He determines that the deposit was formed by SC.6.E.6.1
A creep.
B a mudslide.
C a rockfall.
D slump.
Answer:
Option C, Rockfall
Explanation:
Talus is basically formed along the side of a slope at it base by the deposition of pile of rocks and sediments which have eroded from the slope and have collected at the base. In a rock fall, the rock fragments detaching from a vertical cliff slides/topple down to the base of the terrestrial structure there by forming talus.
Hence, option C is correct
Los recursos naturales: son los elementos de la naturaleza que pueden ser utiles para el hombre, ya sea empleandolos directamente o transformandolos
Viento:
Maiz:
Selva:
Carbon mineral:
Metales:
Agua:
Petroleo:
Animales:
Energia solar:
Peces:
Bosque de pinos:
Suelo:
Ayuda por favor necesito las respuestas antes del lunes
Answer and Explanation:
Los recursos naturales son los elementos de la naturaleza que pueden ser utiles para el hombre, ya sea empleandolos directamente o transformandolos.
Viento: La energía eólica es un recurso abundante, renovable y limpio que ayuda a disminuir las emisiones de gases de efecto invernadero al reemplazar fuentes de energía a base de combustibles fósiles. Uso directo e indirecto.Maiz: El maiz es un cultivo sumamente valioso ya que es una fuente de alimento que aporta nutrientes fundamentales al organismo. Es consumido ampliamente en paises subdesarrollados. Uso directo como alimento.Selva: Este ecosistema es sumamente diverso en especies de flora y fauna. Por lo tanto, es un valioso recurso ya que a partir de las especies de plantas que habitan en la selva se extraen importantes compuestos que sirven para medicinas y productos (por ejemplo el latex). Uso directo e indirecto - transformacion de compuestos a materiales y medicinas.Carbon mineral: Este recurso proviene de la descomposicion de vegetales, hojas y madera y es utilizado como combustible. Uso indirecto - transformacion a combustible.Metales: Los metales son recursos no renovables que son extraidos naturalmente y utilizados por los humanos, especialmente para construccion. Entre los mas destacados estan el hierro, el cobre y el aluminio. Uso indirecto - transformacion por medio de refinamiento.Agua: Uno de los recursos naturales mas importantes para el ser humano, la flora y la fauna. Debido a que los seres vivos requerimos de agua para sobrevivir, su uso y a su vez, su conservacion, es fundamental para la vida. Uso directo - consumo.Petroleo: Este es un recurso natural no renovable y es utilizado para proveer energia. Debe ser utilizado de manera consciente ya que es limitado. Uso indirecto - transformacion.Animales: Las especies de fauna son sumamente valiosas. Ademas de ser fuente de alimento, son fundamentales para el balance de la cadena alimenticia. Su conservacion es fundamental ya que cada especie cuenta con una funcion especifica en su habitat y en los ecosistemas. Uso directo e indirecto.Energia solar: La energia solar es un recurso natural renovable. Este tipo de energia es producida por la luz y el calor del sol. Es fundamental para la vida y para la obtencion de energia. Uso directo.Peces: Aportan un importante fuente de alimento y contribuyen al balance de la cadena alimenticia. Uso directo como alimento.Bosque de pinos: Recurso natural fundamental. Ademas de proporcional oxigeno y reducir la cantidad de dioxido de cabono en el ambiente, funciona como un servicio ecosistemico al proveer madera para amplios usos en la construccion. Ademas, los bosques contribuyen al bienestar mental del ser humano al usarse (sosteniblemente) como area recreativa. Uso directo e indirecto.Suelo: El suelo es un recurso no renovable, por lo tanto, su uso sustentable y conservacion son fundamentales ya que un suelo fertil es esencial para la seguridad alimentaria global. Uso directo.Are all plant structure and function the same? Explain
The plant cell is the basic structural and functional unit for all living organisms. .. So basically, the answer is yes. Plant cell structure is very similar to that of the animal cell, while the structures within each group the same throughout organisms. The two types of cells contain many of the same organelles. These organelles carry out the same functions in both types of cells.
Even though there are such a variety of plants, there are a few things that all plants have in common. At the cellular level, all plants are eukaryotic, meaning they have a nucleus and other organelles. One type of organelle in particular, chloroplasts, are found in all plants.
Cell processes and transport
What benefits do plants with a smooth stem have? Does the stem type protect a plant?
Smooth stem plants like guava, eucalyptus etc do have a smooth layer of bark over its stem that comes out as a skin when they shed their barks. Whereas most of the other plants like mango, banyan etc do have a rough corrugated layer of bark over their stem.
The smooth stem doesn’t let water to accumulate in the bark which can led to infections to the tree. It also doesn’t allow any seed to settle on bark that can led to growth of parasites. Thereby this smooth bark saves the trees from some of the probable harm to the tree.
Final answer:
Plants with smooth stems benefit from less resistance to water flow and reduced pest habitation. Modified stems like rhizomes, stolons, runners, corms, tubers, and bulbs aid in survival and reproduction, storing food and facilitating spread. Stem type contributes to a plant's adaptability and protection.
Explanation:
Benefits of Plants with Smooth Stems
Plants with smooth stems often have advantages in environments where there is fast-flowing water or frequent rainfall. A smooth surface can reduce resistance and allows water to flow off easily, thereby reducing damage from strong currents or heavy rain. Furthermore, a smooth stem can be less habitable for pests and parasites, which often find it difficult to grip onto the slick surface. From an evolutionary perspective, plants have developed different types of stems, including modified stems, to adapt to their environments and enhance their survival and reproduction.
Modified Stems
Rhizomes, stolons, and runners provide an advantage by allowing the plant to spread horizontally and produce new offspring at a distance from the parent, good for colonization. On the other hand, corms, tubers, and bulbs store food, which can be crucial for survival during periods of dormancy or when conditions are not conducive to growth. These modified structures often contain nodes and axillary buds, indicating that they are indeed modified stems rather than roots.
In summary, the type of stem can indeed protect a plant by aiding in its adaptation and survivability. Whether it's through physical characteristics like a smooth surface or modifications for storage and reproduction, the stem is a vital component of a plant's success.
Based on the model explain whether the molecules shown crossing the membrane require energy to do so
Answer:
As the diagram is not given, hence let's generally describe the movement of molecules along the cell membrane.
Molecules can either pass through the cell without using energy through the process of passive transport. An example includes molecules of oxygen.
Molecules which are large and un-polar cannot move through the cell membrane easily. These molecules will require energy to move through the cell membrane. These molecules might move in with the help of the carrier or facilitated proteins. Examples include molecules of glucose.
Answer:
Read below
Explanation:
As a rule, molecules can either pass within the cell without applying energy throughout the process of passive transport (Molecules of oxygen for example). The molecules that are big and un-polar are unable to pass through the cell membrane easily. These molecules will need the energy to have the ability to go through the cell membrane. These molecules possibly might go through with the assistance of the carrier or facilitated proteins (Molecules of glucose for example).
In a pack of wolves located in Yellowstone National Park, Black paws are dominant over white paws.
What is the genotype of the hybrid?
Answer:
Explanation:The genotype is black and can be represented by Bb where "B" is the gene controlling black paws and" b" controls white paws
Cancer can be caused by excessive cell growth and divisick. Two genes that regulate the growth and division of a cell are called
oncogenes and tumor suppressor genes. Oncogenes direct cells to grow and divide, whereas tumor suppressor genes limit cell
growth and division.
Certain viruses have been associated with an increased risk for cancer. For example, the hepatitis B and C viruses are associated
with liver cancer, the Epstein-Barr virus is associated with lymphoma, and the human papilloma viruses are associated with cervical
cancer.
Viruses can cause mutations in their host cells. Which mutation described below would be most likely to cause cancer in a host
organism?
The virus mutation that can cause cancer in a host organism is when the mutation occurs in the genome.
Explanation:
When cells that does not need to replicate start replicating proliferously then that particular cells become carcinogenic. A virus can cause considerable mutation in the genome of the host cells. The virus acts in the host cell alter their DNA and causes oncogenes.
Mutations in genes causes changes in the cell cycle. This creates an imbalance in the cell production where some cells undergo continuous cell division. As the cancerous cells undergoes vigorous proliferation they become malignant tumor.
a mutation in a host cell that turns oncognenes on and tumor supressor genes off
Which nutrient is our main energy source.
Answer:
ptassium
Explanation:
Answer:carbohydrates
Explanation: I take it as this....fruits and vegetables are things we are told that we must eat and they all contain carbonhydrates
How would you greet these people in Latin?
Salvē.
Valē.
Salvētē.
Valētē.
Answer:
Salvētē. or Salvē.
Explanation:
Salvē means Good afternoon, and Salvētē means hello so the two would work. I hope this is helpful
Final answer:
In Latin, you would greet these people as follows: Salvē, Valē, Salvētē, Valētē
Explanation:
In Latin, you would greet these people as follows:
Salvē: This is a formal way to greet a single person. It can be translated as 'Hello' or 'Greetings'.Valē: This is a formal way to say goodbye to a single person. It can be translated as 'Goodbye' or 'Farewell'.Salvētē: This is a formal way to greet multiple people. It can be translated as 'Hello everyone' or 'Greetings to all'.Valētē: This is a formal way to say goodbye to multiple people. It can be translated as 'Goodbye everyone' or 'Farewell to all'.Explain the law of conservation of energy. Give a specific example using kinetic and potential energy that shows how energy is conserved.
Energy can neither be created nor destroyed. It is transformed from one to another form.
The example of potential energy raised ball over the round and example for kinetic energy is water is used for moving the turbine to produce electricity.
Explanation:
This process happens because of conservation of energy. According to the rule of the conservation of energy, energy can’t be created nor destroyed. It is simply converted from one to another form. It simply means this system always need same amount of energy.
Due to motion of object or particle an energy is formed is called kinetic energy and due to relative position of energy an energy is formed is called potential energy.
What do disaccharides, such as sucrose, and
polysaccharides, such as starch, have in common?
A They are lipids made of fatty acids.
B They are proteins made of amino acids.
C They are nucleic acids made of nucleotides.
D They are carbohydrates made of simple sugars.
Explanation:
D They are carbohydrates made of simple sugars.
Both disaccharides and polysaccharides belong to the category of carbohydrates, as they are both made up of simple sugars or monosaccharides. Two monosaccharides combine to form a disaccharide, while many monosaccharides join together to make a polysaccharide. Hence, both sucrose (a disaccharide) and starch (a polysaccharide) consist of simple sugars.
Explanation:Disaccharides like sucrose and polysaccharides like starch are both classified as carbohydrates. These compounds are constructed from smaller, simpler units known as simple sugars, or monosaccharides. Disaccharides are formed when two monosaccharides combine together, whereas polysaccharides are made of a larger number of monosaccharides. Hence the correct answer to your question is D - They are carbohydrates made of simple sugars.
Examples of monosaccharides include glucose and fructose, and these can combine in different ways to form disaccharides and polysaccharides. Sucrose, for example, is made of one glucose and one fructose molecule. Starch, on the other hand, is a polysaccharide made primarily of glucose units.
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Ca you help me describe the exchange of carbon through carbon-containing compounds between an organism and the environment.
Answer:
In pics below.
Explanation:
Answer:
man that was super helpful
Explanation:
What is a method of making many copies of DNA
Answer:
The methods by which DNA molecules multiply is known as REPLICATION
Explanation:
DNA REPLICATION.-
In all living organism DNA replication occurs. IN replication DNA replicates in this way making its replica or we can say its copy.
During replication, both the strands of DNA are separated first. Then each DNA strand function as the template and makes its own copy to make the full DNA molecule. This is the SEMICONSERVATIVE mode of replication. In which each DNA molecule has one parent strand and one newly synthesized strand.
The replication start sight is ORIGIN OF REPLICTION( in E.coli ori c). At this location Helicase enzymes help in opening of the DNA.
The enzyme which has very unique function of adding nucleotide on the DNA strand and synthesizing DNA is DNApolymerase.
DNA replication occurs in 3' to 5' direction.
Answer:
polymerase chain reaction
Explanation:
HOPES THIS HELPS MWAAAW kiss
In regards to the Amoeba Sisters' video about blood type, if a man with Type A blood and a woman with Type O blood have a child that needs a blood transfusion, what blood type would not be able to donate to the baby?
Answer:
Explanation:
Donors with blood type A can donate to recipients with blood types A and AB. Donors with blood type O. can donate to recipients with blood types A, B, AB and O (O is the universal donor to all blood
A child born to a man with Type A blood and a woman with Type O blood cannot receive blood from Type B or Type AB donors.
When determining which blood types can donate to a baby born to a man with Type A blood and a woman with Type O blood, we need to understand the compatibility rules of blood transfusion.
When a man with Type A blood and a woman with Type O blood have a child, the child can have either Type A (AO genotype) or Type O (OO genotype) blood. In the ABO blood group system, individuals with Type A blood can receive blood from Type A and Type O donors, while individuals with Type O blood can only receive blood from Type O donors.
If the child needs a blood transfusion, they would not be able to receive blood from Type B or Type AB donors. This is because Type B blood contains B antigens that would trigger an immune response in the child with Type A or Type O blood. Similarly, Type AB blood contains both A and B antigens, making it incompatible with the child's Type A or Type O blood.
Therefore, when considering blood donation for the child of a man with Type A blood and a woman with Type O blood, it is important to ensure compatibility based on the ABO blood group system to prevent adverse immune reactions during the transfusion.
how do living systems control the movement of materials into and out of cells?
Answer:
by a process called diffusion osmosis and active transport.
Explanation:
diffusion : movement of particles from a higher concentration to a lower concentration down to ge concentration gradient
osmosis: movement of water from higher water potential to a lower water potential through a partially permiable memberane
active transport: movement of ions from a lower concentration to a higher concentration against concentration gradient using energy from respiration
Which of the following illustrates 2 resistors in a series circuit
Answer:
Option B is the correct.
Explanation:
In a series circuit, components are connected end-to-end in a line to form a single path through which current can flow.
In the diagram, option B and D, both are series circuits but circuit B has two resistors while circuit D has only one.
Circuit A and C are parallel circuits because their components are connected across each other's leads. They have many paths for current flow with one voltage across all components.
So, circuits A, C, and D are incorrect.
Answer:
It's B
Explanation:
I'm pretty sure and Highly sure it's B