Answer:
It's the third answer.
30 POINTS DONT ANSWER IF YOU DONT KNOW THE ANSWER FOR SURE
In the gene TATTCATTGTTA—TGATTT—ATTCG, CATTGTTA encodes for pepsin, a digestive enzyme. The rest of the sequence doesn’t code for any protein. Which sequence contains a mutation that will affect the formation of pepsin?
A. TATTCATTCATTA—TGATTT—ATTCG
B. TATTCATTGTTA—TGACTTT—ATTCG
C. TATTCATTGTTA—TGATTT—ATTGGCG
D. TATTCATTGTTA—TGAT—ATTCG
E. TGCATTCATTGTTA—TGATTT—ATTCG
Answer:
B is your answer
Explanation:
Organisms that break down molecules to generate energy are prokaryotes or eukaryotes
Answer:
the correct answer is prokaryotes that break down
recessive sex-linked traits are more common in males because
What are cancer producing molecules that have free radicals and can alter your DNA and cause cancer called
The term ______ refers to one landmass made up of all the modern contents.
A) subcontinent
B) arctic
C) super continent
D) tectonic
Explain a chromosome deletion and the effect it can have on a human.
Translation ends when:
A. the codon is missing.
B. tRNA detaches from mRNA.
C. a stop codon is reached.
D. mRNA leaves the nucleus.
Answer:
C. a stop codon is reached.
Explanation:
Translation is the process by which proteins are synthesised from mRNA. It ends in the termination stage when a stop codon is encountered. Normally during translation the A-site of ribosome is responsible for binding the complementary codon on the mRNA with the incoming tRNA. The tRNA with the polypeptide chain is hold by the P-site.
During termination, a stop codon ( UAA, UGA or UAG) is encountered by the A site in ribosome and is then recognised by release factors. Release factors enter the P site and fit there leading to disassembly of entire ribosome/mRNA complex. A water molecule is added to the last amino acid of the chain which separates it from the tRNA molecule and leads to its release.
There are two main functions for polysaccharides in living things. Discuss these two functions, and how the structures of polysaccharide molecules support these functions.
Now I know that all polysaccharides are made up of the same monomer, glucose. Is this question essentially asking me the use of glucose throughout different organisms?
The Ring of Fire is _______. a. the arc stretching from New Zealand to the Aleutian Islands b. composed of over 75% of the world’s active and dormant volcanoes c. can be found along the coast of North and South America d. all of the above
I need help anybody plz help
1:if immigration and emigrattion numbers remain equal, which of these could cause a slowed growth rate
increased birth rate
constant death rate
decreased birthrate
constant birth rate
3:as resources in a population become less available the population
declines rapildy
increases slowly
reaches carrying capacity
enters a phase of exponetial growth
4:when the exxponetial phase of logistic growth curve of a popualtion ceases
the size of the population drops
the size of the population stays the same
population growth begins to slow down
population growth begins to speed up
5: which of the following is the most likely reason that a population of mice in a farming area suddenly increases
more mice immigrate from neighboring areas
fewer mice emigrate to neighboring areas
more food is availble as grain is harvested
more nesting space is availble as new barns are constructed
If immigration and emigration numbers are equal, the decrease in birth rate results in slowed growth rate.
If the resources in a population become less available, the population reaches the carrying capacity.
When the exponential phase of logistic growth curve of a population ceases, the population growth begins to slow down.
When food as grain is harvested, the population of mice in a farming area increases.
Further Explanation:
Immigration is the process when individuals come from outside a place to inhabit there. The population increases due to immigration. Emigration is the process when individuals move out of a place to inhabit somewhere else. Emigration decreases the population. When immigration number is equal to emigration number, no change in population occurs due to these two processes. The slow down the growth rate of a population is because of the decrease in birth rate.
Once the resources are less obtainable, the population reaches the carrying capacity. A cut down within the population growth and further stop is observed because of the restricted resources obtainable in a specific space. the restricted range of entities that a population will support is known as the carrying capacity or the size of the population at that the expansion stops because of restricted resources is known as the population's carrying capacity.
A logistic growth curve is an s-shaped (sigmoidal) curve that is quicker within the center growth period, and slowly at the highest, leveling off at a maximum worth after some amount of time. The initial section of the curve is exponential; the speed of growth accelerates as it approaches the center of the curve. At the center (K/2), the expansion rate begins to decelerate but continues to grow until it reaches an asymptote, K that's termed the "Carrying Capacity" for the environment. This type of curve is typically accustomed model biological growth patterns where there is an initial exponential growth quantity followed by a leveling off as a lot of the population is infected or as the food supply or another issue limits further growth.
Once the grain is harvested there's a lot of food obtainable for the mice as well. So, during this case, the population will increase automatically, and that is why they have a tendency to settle in these areas.
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Grade: High School
Subject: Biology
Chapter: Ecology
Keywords:
Immigration, emigration, birth rate, death rate, growth rate, resources, population, entities, individuals, logistic growth, exponential phase, mice, grain harvested, farming area.
Which example describes an inherited trait that cannot be determined by observing an individual?
A.
blood type
B.
skull size
C.
finger length
D.
skin color
In a cell, what is the function of the cell membrane?
Answer:
the semipermeable membrane surrounding the cytoplasm of a cell.
Explanation:
The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules.
With the exception of gametes, all new somatic cells in all multi cellular organisms are formed through the process of mitosis. What must occur with the DNA in the original cells in order for mitosis to make new cells? A) the DNA coils up and becomes invisible
B) the DNA forces the production of water
Eliminate
C) the DNA will mutate itself, based on the type of organism it is
D) the DNA must replicate itself in order to make two exact copies
list the four phases of the cell cycle and summarize what happens in each
The four phases of cell cycles are:
(G1) gap stage: in this stage, the cell increase in size.(S) synthesis stage: in this stage, the cell copy its DNA.(G) gap 2 stage: in this stage, the cell starts to divide.Mitosis or M stage: where the cell divided into an identical daughter cell.What is the cell cycle?The cell cycle is a process of which completed in four stages. The process starts from the growth of the cell to the division of the cell into an identical daughter cell.
The four stages of the cell, are complete with creating another new cell. The stage of mitosis is also a multistep process after the three phases, which leads to the multiplication of the cell.
The steps of mitosis are:
Prophase: the cell starts for division, nucleus wall breaks down.
Metaphase: spindle fiber starts to form.
Anaphase: the sister chromatids begin to separate.
Telophase: the division is almost done in the last step.
Thus, there are four stages of cell cycles which are in order following:
(G1) gap stage, (S) synthesis stage(G), gap 2 stage, and Mitosis, or M stage: also known as mitosis, is the division of the cell into identical daughter cells.
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8 letter word: living thing that eats other living things
If the corpus callosum is severed, how might this affect the way we perceive the world?
The corpus callosum is a part of brain that lies above the thalamus and connects the two hemispheres of the brain. It maintain link of communication between two of them. Its function is to transfer neural messages in between right hemisphere and left hemisphere. The severed corpus callosum will act as having two brains in one body. Each part of the hemisphere will have its own perception, speech and thought. There is a possibility that the individual wears a pant due to the signals from one hemisphere and the other hemisphere of brain signals to down the pant. There is a lack of coordination in the functions performed if corpus callosum is severed.
6 letter word: a stack of thylakoids in a chloroplast
In a chloroplast, thylakoids are disc-shaped structures where photosynthesis occurs. These thylakoids are stacked into a granum. The surrounding fluid-filled space is known as the stroma.
Explanation:In a chloroplast, a thylakoid is a disc-shaped, membrane-bound structure where the light-dependent reactions of photosynthesis happen. Thylakoids are assembled into stacks which are called a granum (pl. grana). The fluid-filled space that surrounds the grana is called the stroma.
Each thylakoid stack or granum, are like interconnected and stacked fluid-filled membrane sacs. The thylakoid membranes contain chlorophyll, which is vital for the process of photosynthesis.
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Algae uses all the energy in sunlight to perform photosynthesis.
true or false
The real answer to the question is not true it's absolutely false. cause I got the question because on here put True.
Which of the following are reactants in the process of aerobic respiration?
A.
glucose and water
B.
carbon dioxide and water
C.
glucose and oxygen
D.
carbon dioxide and oxygen
Glucose and oxygen are the reactants of the aerobic respiration. The aerobic respiration is required for the production of energy in the form of energy.
Further Explanation:
Cellular respiration or aerobic respiration is the process by which energy is produced in the form of ATP (adenosine triphosphate). It occurs in three steps, namely; glycolysis, citric acid cycle and electron transport chain.
Glycolysis: in this cycle, the glucose is broken down into a smaller substance called pyruvate in the absence of oxygen. It occurs in the cytoplasm of the cell. Citric acid cycle: In the citric acid cycle, the three-carbon pyruvic acid molecules produced during the glycolysis cycle are decarboxylated. The two carbon molecules from acetyl CoA enters the cycle. This reaction occurs in a closed-loop, including eight steps. Electron transport chain: The electron transport chain is a sequence of proteins and other molecules present in the inner membrane of the mitochondria. The transfer of electrons occurs in a chain of a redox reaction. The energy formed during the reaction is stored in the form of a protein gradient. This protein gradient is used in the formation of ATP by the process called chemiosmosis. The combination of ETC and chemiosmosis is called oxidative phosphorylation.
Oxygen and glucose are the reactants. Oxygen enters the body through breathing, and glucose is obtained from food. Glucose is the substrate that is broken down into water and carbon dioxide in the presence of oxygen. So, carbon dioxide and water are the products. The metabolism of one molecule of glucose will result in thirty-six to thirty-eight molecules of ATP
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Answer Details:
Grade: High School
Subjects: Biology
Topic: Cellular Respiration
Keywords:
Cellular, respiration, adenosine, glycolysis, citric acid, electron, pyruvate, oxygen, cytoplasm, decarboxylated, mitochondria, redox, chemiosmosis, oxidative, phosphorylation.
The primary reactants in the process of aerobic respiration are glucose and oxygen which are metabolized within cells to produce energy, and result in carbon dioxide and water as waste products.
Explanation:In the process of aerobic respiration, glucose and oxygen are the primary reactants. This biological process occurs within cells and involves the consumption of oxygen (O2) to metabolize glucose, a simple sugar, and produce energy. As a result of this oxidative process, carbon dioxide (CO2) and water (H2O) are produced as waste products. Hence, the correct answer is the option C. glucose and oxygen.
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Which describes a disruption in the water cycle that could affect photosynthesis?
Heat causes an excess of transpiration.
Answer:
A) Heat causes an excess of transpiration.
Explanation:
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pls help me! Up votes are at MAX!
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These items are involved in sexual reproduction. Which one of these may also be involved in asexual reproduction?
A.
eggs
B.
spores
C.
sperm
D.
seeds
What phrase best describes homeostasis
Homeostasis is the body's process of maintaining equilibrium and stability within its internal environment in response to changes in external and internal conditions, keeping things like body temperature and blood glucose levels within narrow and specific ranges.
Explanation:The phrase that best describes homeostasis is the 'maintenance of equilibrium' in a living organism. Homeostasis refers to the body's ability to keep its internal environment stable, regardless of external changes. This is achieved through a dynamic balance between various body systems, all working towards a set point. It involves a series of adjustments and reactions to internal and external stimuli to maintain parameters such as body temperature, glucose levels, etc. within a narrow range. For instance, if the body becomes too warm, it will trigger a response to cool down, and if the blood glucose level increases after a meal, the body will regulate it by moving the glucose into cells that need it or storing it for later use.
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In this food chain, we could hypothetically assume that for every kilogram of biomass in the osprey eagle, it would require __________ kilograms of shrimp to keep the food chain balanced.
Answer:
D-10,000
Explanation:
Which of the following strategies would most likely improve water conservation at a fish farm?
Raise more fish in each tank
Add protein to the water in which the fish swim
Re-circulate water in large-scale fish tanks
Raise a greater variety of fish at the farm
Answer: Third option is correct.
Explanation:
Water conservation means use of little water and avoids wastage of water.
Water conservation at a fish farm is improved if we re circulate water in large scale fish tanks.
If water is replaced with fresh water every time, then it is wastage of water at a great amount.
So, if re circulate water in large scale in fish tanks it would help.
By doing this, our use of water is get limited and water would conserved.
Hence, Third option is correct.
Ice and steam exist as two different states of matter. what is one way you can tell ice apart from steam?
One way we can tell ice apart from steam is from one of their physical properties. Ice exist as a solid while while steam exist as a gas.
The three main states in which matter exists are
Solid Liquid GasIce is water in the solid form while steam is water in the gaseous state.
Hence, one way we can tell ice apart from steam is from one of their physical properties. Ice exist as a solid while while steam exist as a gas.
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What is activation energy? How does an enzyme affect the activation energy in a chemical reaction?
Explanation:
Activation energy is defined as the minimum amount of energy necessary to initiate a chemical reaction.
Protein molecules that function like a catalyst are known as enzymes. Enzymes help in carrying a biochemical reaction without itself getting consumed.
Enzymes bind at the specific site of a substrate and helps in lowering the activation energy so that, more and more reactant molecules can participate in the reaction. As a result, formation of products become more rapid.
Activation energy is the energy needed to initiate a chemical reaction. Enzymes lower activation energy, making reactions occur faster.
Reactants must overcome an energy barrier to generate products, hence activation energy is the least energy needed for a chemical reaction. Breaking and rearranging chemical bonds during reaction creates this energy barrier.
Enzymes speed up biological chemical reactions. They do this by lowering reaction activation energy. Enzymes allow reactant molecules to reach the transition state and create products by providing a reduced activation energy pathway.
Enzymes form enzyme-substrate complexes by attaching to reactant molecules at their active sites. This interaction stabilises the transition state and aids bond breaking and product production. The enzyme releases the products and remains unaltered to catalyse other reactions. Enzymes accelerate biological reactions and maintain life's complex metabolic pathways by lowering activation energy.
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How does a proteins structure relate to its function?
A protein's shape is critical to its function and is determined by the sequence of amino acids. Proteins have four structural levels: primary, secondary, tertiary, and quaternary. Disruptions in protein shape can lead to a loss of function.
A protein's structure is intricately linked to its function. The structure of a protein is determined by the sequence of amino acids it contains, which is referred to as its primary structure. This sequence dictates how the protein will fold into its three-dimensional shape.
Four Levels of Protein Structure:
Primary Structure: The amino acid sequence in a protein, determined by the gene encoding it.Secondary Structure: Local interactions between stretches of the polypeptide chain, forming alpha-helices and beta-pleated sheets.Tertiary Structure: The overall three-dimensional shape of the protein, formed by various interactions between the side chains of amino acids.Quaternary Structure: The assembly of multiple polypeptide chains into a functional protein complex.The shape of a protein is critical because it determines the protein's ability to interact with other molecules. A protein will only function correctly if it maintains its proper shape. If the protein's shape is disrupted, often referred to as denaturation, it may lose its ability to function.
Examples of proteins include enzymes, which facilitate biochemical reactions, and antibodies, which are critical for immune responses. Both examples demonstrate that the specific shape of proteins allows them to carry out their specific roles effectively.
What conditions will produce rocks with crystals
The crystals in the rocks are produced when the magma cools down after its eruption. When the magma cools slowly, the crystals formed are larger, as they get more time for the formation. The small crystals, on the other hand, are formed when the magma cools down fast. In this case, the magma gets less time to cool, and hence, the crystals doesn't get enough time to form longer.
Hence, the rocks with crystals are produced when the magma cools down after its eruption from the volcano.
Which of the following made cells unique protobionts?
a. Their ability to reproduce.
b. Their ability to pass on genetic information.
c. Their ability to metabolize.
d. Their ability to maintain a stable internal environment.
Answer;
b. Their ability to pass on genetic information.
Explanation;
-Protobionts are systems that are considered to have possibly been the precursors to prokaryotic cells. A protobiont is an aggregate of abiotically produced organic molecules surrounded by a membrane or a membrane-like structure.
-They exhibit some of the properties associated with life, including simple reproduction, metabolism and excitability, as well as the maintenance of an internal chemical environment different from that of their surroundings.
What would you predict would be a long-term systemic effect of an immune deficiency disease that drastically reduces the number of T-cells in the body?
Increased susceptibility to infection
Increased number of memory B cells
Increased cytotoxic T-cell counts
Increased nonspecific immune responses
Answer: Option A
Explanation:
The immune system of the body is made of a variety of cells. The cells producing antibodies "remembers" the infection caused inside the body and helps in providing immunity against it for a very longer duration of time..
The T-cells of the immune system remembers the viruses and contains a number of phagocytotic cells which helps in proving immunity. T- cells also activates B-cells.
So, if the Number of T-cells drastically reduces in number, then the body will be more susceptible to infection.