Answer:
True
Explanation:
All living organisms store their genetic information using the same molecules (DNA and RNA). The information encoded by these molecules needs to be decoded through gene expression and the way in which it is done is through the GENETIC CODE, which comprises of all the codons that encodes an amino acid.
There are only 20 common amino acids in proteins. These amino acids are specified by a group of three nucleotides in the DNA/RNA molecule, called CODONS. Each of these codons specifies an amino acid, although more than one codon can encode a particular amino acid, since there are 64 possible codons that can encode these 20 amino acids (more than enough).
One of the characteristics of the genetic code is its universality i.e. The same genetic code is employed by every known living organism with little or no exceptions.
The same codon specifies the same amino acid in most known living organisms. A codon does not code for a different amino acid in another organism. It is universal that codon AUG codes for Methionine in most living organisms.
This same coding in all organisms is a convincing evidence that all organisms share a common evolutionary history.
It is true that most organisms contain the same codons, as the genetic code is nearly universal. This implies that the same codons code for the same amino acids in most species, underscoring the idea of a single common ancestor for all life.
Explanation:The statement that most organisms contain the same codons is true. In molecular biology, a codon is a series of three nucleotide bases in DNA or RNA that provides the code for a specific amino acid. Importantly, this genetic code is nearly universal among all organisms, meaning the same codons direct the formation of the same amino acids in most species. This is foundational to how genetic information is transmitted and interpreted across life forms. For instance, the codon 'AUG' always codes for the amino acid Methionine in all organisms. This universality reinforces the idea of a single, common ancestor for all life.
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can you please help please
The answer to that answer is B
I'm not completely sure but I would choose option A. Phosphorus
Phosphorus is the essential mineral that is required by every cell. And plants and animals have cells.
7. Contrast cytokinesis in animal cells and plant cells.
This is the exact answer they're looking for I promise:
Sample Response: Cytokinesis occurs in both animal and plant cells. It is the division of the cytoplasm, which is the final stage of the cell cycle. In animal cells, the cell membrane pinches together around the middle of the cell to divide the cytoplasm. In plant cells, the process is a little different. Because the cell wall of a plant cell is rigid, it does not pinch in like the more flexible cell membrane in animal cells. Instead, a structure called a cell plate forms across the middle of the cell. The cell plate moves outward and eventually fuses with the cell membrane to divide the cell into two cells. Then, new cell walls form around the cell membranes.
PLEASE MARK BRAINLIEST
Answer:
Cytokinesis occurs in both animal and plant cells. It is the division of the cytoplasm, which is the final stage of the cell cycle. In animal cells, the cell membrane pinches together around the middle of the cell to divide the cytoplasm. In plant cells, the process is a little different. Because the cell wall of a plant cell is rigid, it does not pinch in like the more flexible cell membrane in animal cells. Instead, a structure called a cell plate forms across the middle of the cell. The cell plate moves outward and eventually fuses with the cell membrane to divide the cell into two cells. Then, new cell walls form around the cell membranes.
Explanation:
Please help. I can't seem to understand this.
Fill in the blanks to complete each statement about how mountains affect precipitation.
Coastal mountains force cool, moist air from oceans to rise as it moves toward land. Clouds form, and precipitation falls on the _____ side of the mountain. On the _____ side of the mountain, very little precipitation falls.
Answer:
1. windward
2. leeward
Explanation:
Precipitation falls on the windward side of a mountain due to the air cooling and condensing as it rises, and very little falls on the leeward side due to the air warming and being able to hold less moisture, creating a rain shadow effect.
Explanation:Coastal mountains force cool, moist air from oceans to rise as it moves toward land. Clouds form, and precipitation falls on the windward side of the mountain. On the leeward side of the mountain, very little precipitation falls. This is known as the rain shadow effect, where the air, having released most of its moisture on the windward side, becomes dry by the time it descends on the leeward side.
Nearness to oceans and mountain ranges greatly influences the amount of precipitation an area receives. The air cools and condenses as it rises over a mountain, releasing precipitation mostly on the ocean-facing slopes. As the air descends on the other side, it warms up, reducing its capacity to hold moisture, thus creating dry conditions on that side of the mountain.
In extreme cases, such as the Atacama region of Chile, the leeward side can have extreme desert conditions due to the effectiveness of the Andes Mountain range in depleting the moisture from the prevailing winds.
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In the skin, the epidermis can be compared to what analogy?
dog = cat = 54= raining cats and dogs
Answer:
a wall that protects a country from invaders.
Explanation:
Desert animals, such as the kangaroo rat, need to conserve water. These animals have larger kidneys than do animals that live in moist environments and thus need not conserve water. The larger kidneys allow for a greater distance between the glomerulus and the bottom of the loop of the Henle. Discuss why the anatomical difference assists water conservation in desert animals.
The greater distance between the glomerulus and the loop of Henle allows for more surface area. That means more area for osmosis to occur, returning water to the bloodstream where it can then diffuse into cells for metabolic processes.
The kangaroo rat conserves water in arid environments through its larger kidneys, which have extended loops of Henle for more efficient water reabsorption, thus producing highly concentrated urine. This adaptation allows the kangaroo rat to survive with minimal water intake.
In arid environments like deserts, water conservation is essential for survival. The kangaroo rat is a remarkable example of an animal that has adapted to these harsh conditions. Its anatomical adaptations, specifically its larger kidneys with extended loops of Henle, allow it to produce highly concentrated urine, minimizing water loss. The longer loop of Henle provides a greater surface area for the reabsorption of water back into the bloodstream, making the kangaroo rat's kidneys incredibly efficient at conserving water.
The ability to survive on a minuscule amount of water, without sweating or panting, and by converting the dry seeds they consume into moisture, demonstrates the kangaroo rat's unique adaptation to its environment. Creatures like the kangaroo rat have evolved mechanisms that allow them to maintain their bodily functions with significantly less water than mammals that live in moist environments.
In a marine ecosystem, starfish prey upon the common mussel. Common mussels feed upon plankton. What is MOST likely to happen if the number of starfish is increased?
The answer is;
The numbers of mussels would reduce
Planktons population would increase.
This is a phenomenon common in food chains where a reduction in predator population increases the prey population and vice versa. This is because the species population in a food chain/food web are interlinked and source energy from one another directly or indirectly.
Answer: B)
Explanation:ANSWERED ON USATEST PREP
35 PTS!!! Which strategies are recommended to conserve and manage water? Check all that apply.
1. Stop using water in all areas of life.
2. Use technology to produce clean water.
3. Use water wisely at home and in industry.
4. Take care of living things that live in water.
5. Encourage recreational activities year-round.
6. Use techniques and tools to reduce water loss.
Answer:
b c d f
Explanation:
am aougus imposter
Strategies recommended to conserve and manage water include using water wisely, reducing water loss, and taking care of aquatic life.
Explanation:To conserve and manage water, several strategies are recommended:
Use water wisely at home and in industry: This includes turning off faucets when not in use, using low-flow shower heads, and only using the necessary amount of water for activities like laundry.Use techniques and tools to reduce water loss: This involves implementing water-saving techniques like rainwater harvesting, using gray water for purposes like watering gardens, and improving irrigation systems to minimize water evaporation.Take care of living things that live in water: Protecting aquatic life and their habitats is crucial for maintaining a sustainable water ecosystem.Learn more about Water conservation here:https://brainly.com/question/30333660
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The sodium-potassium pump makes the cell interior more ______ by pumping ____ sodium ions out of the cell
for every ____ potassium ions pumped in.
Answer:
The sodium potassium pump helps in maintaining the acid-base balance of the body and helps in proper kidney function. It also functions to maintain the electrical charge within the cell. The sodium and potassium ions are transported inside and outside of the to maintain the proper balance ions inside the cells. This pump makes the cell interior more negative by pumping three sodium atoms out of the cell and two potassium ions going inside the cell.
Final answer:
The sodium-potassium pump makes the cell interior negative by removing three sodium ions for every two potassium ions it brings in, resulting in a net loss of positive charge and contributing to the cell's negative membrane potential.
Explanation:
The sodium-potassium pump makes the cell interior more negative by pumping three sodium ions out of the cell for every two potassium ions pumped in. The pump operates by binding three sodium ions and transporting them outside the cell membrane, followed by binding two potassium ions and transporting them inside. This activity is energetically driven by the hydrolysis of ATP, which provides the energy necessary for the pump to move ions against their concentration gradients, achieving active transport.
Due to this particular exchange ratio, for every cycle, the pump effectively exports one more positive charge than it takes in. This results in a net loss of positive charges inside the cell, which contributes to the negative charge of the cell's interior. Furthermore, the sodium-potassium pump is considered an electrogenic pump, generating an electrical and chemical gradient across the cell membrane. These gradients are essential for various cellular functions, including nerve impulse transmission and muscle contraction.
The plant in the following photograph has several features that allow it to survive in hot, dry climates, , waxy leaves that keep water from evaporating. image of a short, bush-like plant with many waxy leaves In which biome would you most likely find this plant? (2 points) A chaparral B taiga C temperate forest D tundra
The answer is A the Chaparral Biome
Have a great day ^_^
The answer would be A
What characteristic helps conifers survive when the weather is dry? waxy scales scale-like seeds needle-like leaves heavy trunks
Conifers survive in dry weather mainly due to their needle-like leaves, which have a small surface area and sunken stomata, aiding in reducing water loss.
Explanation:Conifers, a group of gymnosperms, have certain characteristics that help them survive in dry conditions. Most notably, their needle-like leaves play a vital role in survival. These needles have a smaller surface area than regular broad leaves and contain sunken stomata, both of which aid in reducing water loss. Moreover, the needle's shape and its waxy cuticle also limit water loss through transpiration. Hence, when the weather is dry, these attributes help conifers conserve their water supply and endure the conditions.
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Take the Global Trends Quiz. Click on "Answers" at the bottom of the quiz and check your work.Explain why it is difficult to calculate the Earth's carrying capacity for the human population. (Site 1)
It is difficult to calculate the Earth's carrying capacity because there are lots of resources that we can use and their is so much land on the earth that hasn't been used, but at the same time some resources are running low, and some resources we have a lot of, like food, so that it is why it is difficult to calculate
Answer:
The maximum members of the population of species that can be supported by the environment on the basis of the existence of resources is considered as the carrying capacity. It is not easy to determine the carrying capacity for human beings on the planet Earth, as the population of human beings is increasing exponentially on the planet Earth. Due to their intelligence and tendency to resolve the issues associated with the lack of resources, it is not easy to find the carrying capacity of human beings.
WILL MARK BRAINLIEST FOR BEST ANSWER PLEASE HELP
Cystic fibrosis is caused by a mutation in a gene resulting in changes to a protein that regulates the movement of salt in and out of cells. The result is thick, sticky mucus in the respiratory, digestive and reproductive systems. Which application of genetic engineering is a promising treatment for cystic fibrosis?
options:
1. Gene Therapy.
2. DNA recombination.
3. Gel electrophoresis
Answer:
1. Gene Therapy.
Explanation:
As mentioned in the question, Cystic fibrosis is caused by a mutation in a gene resulting in changes to a protein that regulates the movement of salt in and out of cells.
What is gene therapy:
If we talk about gene therapy, it is a process in which we replace a wrong gene with a right gene.it is a novel and fascinating area of genetic engineering through which we can treat many genetic disorders including Cystic Fibrosis. However, those experimentation of gene therapy are in trial processes.So now the question is that why Cystic fibrosis can be treated with gene therapy?
The answer is because we already know that cyctic fibrosis is a genetic disorder that is a genetic defect. We also know which gene is defected in this case which is called CFTR gene. We also know the target tissue in which damage is caused due to genetic defect and that tissue is lungs. So, there are 50% chances that if we transfer correct CFTR gene in place of defected CFTR gene of patient, the disease can be treated.Current research:
In recent few years, experimentation have been made in which Retroviral vectors have been used to transfer the CFTR gene into cultured cells which means outside the body. So, if the experiments of same nature are proceeded in future in which CFTR gene is transferred in the body of the patient, it can lead to the division of cells with correct CFTR gene and treatment of disease. In some cases the CFTR gene has been expressed and the protein has been formed which improved the physical condition of the patient. Some other clinical trials have proved that correct CFTR after transfer into the patient through appropriate vector has succesfully expressed itself. However, more solid research and clinical trials are required to treat Cystic fibrosis through gene therapy and make it a best and easiest option for the treatment of disease.Hope it help!
Which actions have a positive effect on air resources?
using fossil fuels
using solar energy
walking to work or school
using trains or buses to commute
removing vegetation such as trees and shrubs
Answer:
walking to work or school
Explanation:
A food web is shown above. What would most likely happen in this ecosystem if the shark population significantly increased?
Most probably the shark´s favorite food down the chain will be diminished, creating an imbalance in the ecosystem which in terms will affect all the other species living in that ecosystem.
please help me with this :(
The answer is B. The number of births far outweighs the number of deaths.
Which of these is an example of an internal factor which affects the Earth's climate?
decrease in the Sun's energy
changes in the shape of Earth's orbit
increase in atmospheric carbon dioxide due to volcanic eruptions
changes in the gravitation pull between the Earth and Sun
increase in atmospheric carbon dioxide
The reactions of glycolysis occur in the cell's _____________; the reactions of the Krebs (citric acid) cycle occur in the ___________.
A. cytoplasm, mitochondria
B. cytoplasm, cytoplasm
C. mitochondria, mitochondria
D. mitochondria, cytoplasm
Hi there!
Interesting question about cellular respiration & photosynthesis.
Glycolysis is the first step when it comes to breaking down glucose (6 carbon) into pyruvic acid (3 carbon). Glycolysis occurs in the cytoplasm. On the other hand, the Krebs cycle, which I like to call the tricarboxylic cycle, is a group of chemical reactions that take Oxygen (O2) and turn it into Carbon dioxide (CO2) and water (H2O) as waste products. The Krebs cycle occurs in the mitochondria.
Therefore, your answer should be A. cytoplasm, mitochondria.
The model below represents a phase of meiosis. What stage of meiosis does the picture below represent?
1Points
A drawing of a phase of meiosis with the chromosomes paired up and the centrioles formed.
A
prophase I
B
prophase II
C
anaphase I
D
anaphase II
The correct answer is anaphase two.
Answer:
The correct answer will be option A (prophase I).
Explanation:
Meiosis is a type of cell division in which a single cell divides to form 4 daughter cells with half number of chromosomes of parents.
Meiosis proceeds in two-step division processes that is meiosis I and meosis II. Each stage of cell division occurs in four phases- prophase, metaphase, anaphase and telophase.
During prophase I, the chromosomes begin to condense and form X-shaped structures, chromosomes pair up ,shows recombination or crossing over, shows meiotic spindles between the centrioles at oppsoite poles and nuclear membrane which starts degrading at the end of prophase phase.
Thus, option A (prophase I) is the correct answer.
Human blood type is determined by multiple alleles (A, B, and O). Which ratio would result from a cross between a man with homozygous Type A blood and a woman with Type O blood?
Hallo~~
Your question is related to genetics.
Have you ever done a Punnett Square? This question forces you to make one. If your cross a homozygous type A (AA) and homozygous type O (OO) you should get 100% AO. Understanding genetics, an AO gene means a type A blood. Therefore, it's 100% type A blood (AO).
Final answer:
When a man with homozygous Type A blood (IAIA) and a woman with Type O blood (ii) have children, all offspring will have a genotype of IAi, resulting in a phenotype of 100% blood type A.
Explanation:
Inheritance of Blood Types
The question involves the inheritance pattern of ABO blood types, which exhibit a form of codominance and multiple alleles. The three alleles responsible for blood type are IA, IB, and i, with IA and IB being dominant over i. If a man with homozoygous Type A blood (IAIA genotype) and a woman with Type O blood (ii genotype) were to have offspring, all children would inherit one IA allele from the father and one i allele from the mother. Therefore, the genotype of the offspring would be IAi, resulting in a blood type A phenotype. The ratio for phenotype in this case would be 100% blood type A for all offspring.
As a quick reference, a person with genotype IAIA or IAi has blood type A, IBIB or IBi has blood type B, IAIB has blood type AB, and ii has blood type O. In the case of the mentioned cross, because the man is homozygous, all children will receive the IA allele and, from the mother with type O blood, a recessive i allele, ensuring that all will express blood type A.
the bacteria in a colony are unable to perform conjugation.How would this hurt the bacterial colonys chance for survival
The colony would have less genetic variation. The Bacteria in the colony would be too genetically similar
Answer: Genetically similar
Explanation:
Conjugation can be defined as the process by which bacteria transfers the genetic material through a tube like material between two cells.
This method of gene transfer provides genetic variability to the bacterial cell by giving bacteria antibiotic resistant gene and making it an antibiotic resistant bacterial cell.
So, if the cell is unable to perform conjugation, there will be no genetic variability in the bacterial cell.
10. In which phase will crossing-over occur?
A. Mitosis
B. Metaphase II
C. Prophase I
D. Meiosis II
Answer:
C. Prohase 1
Explanation:
It is during prophase 1 of meiosis that crossing over occurs before tetrads or homologues pair of chromosomes are alligned across the equator of metaphase 1. In Meiosis 11, only the sister chromatics will be left or remain and the homologues pair of chromosomes would be moved to separate cells.
What best describes the order of actions by the RNA polymerase ?
A. Binds to DNA, makes mRNA from DNA, detaches
B. Binds to DNA, detaches, makes mRNA from DNA
C. Makes mRNA from DNA, Binds to DNA, Detaches
D. Makes mRNA from DNA, detaches, binds to DNA
Answer Choice “A.” is the most sequentially correct answer choice from my understanding. Binding must occur before the making of mRNA, so Answer Choices C and D can be eliminated immediately. If the RNA Polymerase would detach from the DNA before, then how would it make mRNA? That’s when we are left with Answer Choice A, which seems like the best Answer Choice.
The RNA polymerase first binds to a DNA strand at the promoter site. It then synthesizes an mRNA strand using the DNA as a template, before finally detaching after the mRNA is fully formed.
Explanation:The RNA polymerase is an enzyme that is key in the process of transcription, where information from a section of DNA is used to form an mRNA (messenger RNA) sequence. The best option that describes the order in which RNA polymerase operates is A. Binds to DNA, makes mRNA from DNA, detaches.
Initially, the RNA polymerase binds to a specific part of the DNA designated as the promoter site. Upon binding, the DNA unwinds, exposing a template strand which the RNA polymerase uses to synthesize a complementary mRNA strand. Once the RNA polymerase has fully synthesized the mRNA strand, it detaches from the DNA, ending the transcription process.
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Why do scientists use weather and climate maps?
Climate classifications help people know what types of conditions a region usually experiences through the year. Rather than having to describe the full range of conditions observed in a region over each month or season of a year, a classification scheme can communicate expected conditions using just two or three terms
Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years?
Answer:
The total fertility rate
Explanation:
The total fertility rate is a term that refers to the number of children that would be born per women if she were to live to the end of her child-bearing years.
Total fertility rate is also called as fertility rate, potential natality,total period fertility rate or period total fertility rate .
We can simply say that it is an indicative of how many children a woman can produce during her lifetime if, she survives from birth to the the last age in which she can reproduce.
The total fertility rate is not a synthetic rate means that it do not indicates fertility rate of a specific group of women of a specific area but it is just an imaginative rate that is a measure of the fertility of any woman who reaches her reproductive like from 15-49 and recorded.
Hope it help!
Answer:
Fertility rate
Explanation:
In cellular respiration, energy is trapped in the form of ATP, which is used for cellular work, and acts as a “currency” for energy transfers within a cell. Which everyday item functions in a way similar to ATP? A. an electric generator, because it produces electrical energy from a fuel the power to run cell processes B. a pump, because it moves molecules from one side of a membrane to another C. a rechargeable battery, because it can store energy and then release it D. an electric motor, because the charge difference spins the ATP, which allows for cellular work
A. an electric generator, because it produces electrical energy from a fuel the power to run cell processes
Answer:
The correct answer will be option-C.
Explanation:
Adenosine triphosphate or ATP is used as the energy currency of the cell as it provides energy during the metabolic process in the cell.
This provides energy by the breakdown of the ATP molecule which releases ADP which is used again to synthesize new ATP molecules by the input of kinetic energy provided by the flow of protons across the membrane. Therefore this ATP molecule can be reused and recycled thousand of times in a cell.
Since this ATP molecule can be reused and recharged thus ATP acts like a rechargeable battery in the cell and Option-C is the correct answer.
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The table below shows the habitat and foraging habits of two fish species in a marine ecosystem. Fish Species Data Species Habitat Eating Habits A Up to 1,000 meters deep Eats large fish B Deeper than 1,000 meters Eats shrimps An invasive species that lives in habitats up to 1,000 meters deep and feeds on small fish only was introduced in this ecosystem. What would be the likely impact?
Species A’s population will decrease due to limited space. Species B’s population will decrease due to limited space.
The population of species A will decrease due to limited prey.
The population of species B will decrease due to limited prey.
The likely to be impacted is Species A's population will decrease due to limited space in the ecosystem. The correct option is A.
What is a habitat?A habitat is a place where plants, animals, and other organisms can call home. Two types of habitats can be broadly distinguished. They are habitats on land and habitats in water. Terrestrial habitats are where land-dwelling animals call home.
There are many different types of terrestrial habitats, including wetlands, ice caps, grasslands, deserts, mountain ranges, and coastal regions.
Habitat creation entails the establishment of ecosystems in places where those types of systems either did not previously exist or, if they did, had undergone such drastic changes over the course of time that all continuity had been lost.
Therefore, the correct option is A, Species A's population will decrease due to limited space in the ecosystem.
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Answer:
Species A’s population will decrease due to limited space.
Explanation:
Don't try to use the ai to search it bc it kept giving me the wrong answer
Antibiotics, such as penicillin, are drugs that kill or prevent the growth of bacteria. When antibiotics were first discovered, they seemed to represent a miracle cure for human diseases like pneumonia, typhoid, bubonic plague, and gonorrhea. Today there are resistant strains of bacteria that cannot be killed by antibiotics.
Can you pick out the statements that accurately describe the development of antibiotic resistance?
Antibiotic resistance is not an example of natural selection.
Mutations may be a source of variation in any population of bacteria.
When antibiotics are used at first, all the disease-causing bacteria are killed.
There is always variation in a population and might include resistant bacteria.
Bacteria that are not initially killed by the antibiotic, reproduce passing the resistance on to offspring.
hewwo :3
Cool topic you're learning about. Antibiotic resistance occurs because of the fact that bacteria change in response to the use of medicaments, such as penicillin. The problem about antibiotic resistance, an international health crisis, is that people OVERDOSE in medicaments. Antibiotics are known to kill weak and sensitive bacteria, but some resistant bacteria grow and multiplicate, since they know how the medicament works.
Therefore, I would say that bacteria that are not initially killed by the antibiotic, they go to reproduce passing the resistance on to offspring. Antibiotic resistance is a big example when it comes to natural selection.
Answer:
Mutations may be a source of variation in any population of bacteria.
There is always variation in a population and might include resistant bacteria.
Bacteria that are not initially killed by the antibiotic, reproduce passing the resistance on to offspring
Explanation:
Does photosynthesis or cellular respiration turn solar energy into usable chemical energy
Yes, the Glucose is converted in chemical energy.
Which landform represents a flowing, moving stream of water that feeds into an ocean?
A river.
The definition for river is "a large natural stream of water flowing in a channel to the sea, a lake, or another such stream."
However, in your question you asked for a 'land form', but you also asked for a 'stream of water'. This confused me slightly, so please let me know if I did not interpret the question you were asking correctly. Also, a river is a stream of water, however, is not a landform.
Answer:
A river
Explanation:
A river flows into the ocean
Dentify the next step in this sequence of events that occurs in the formation of rock. Buried, compacted, heated, and ________ A) buried B) eroded C) deposited D) recrystallized
The correct answer is option D, that is, recrystallized.
The foremost step in the rock cycle is a burial after that compaction of rocks takes place. Then the rocks are heated because of the heat present beneath the ground. From here, temperature and pressure play an essential function in predicting that how the rock will modify, that is, the next step in the rock cycle is known as re-crystallization.