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defon
3 years ago
7

One possible reason why polar bears might not be able to survive if the environment they live in changes is because

Biology
1 answer:
swat323 years ago
5 0
Polar bears are animals that live in cold environments. Their environment should be a place conducive for breeding and propagating their species. If ice caps are melting and the length of the cold season is declining because of the effects of climate change, polar bears will have less time hunting for food. Generally, the coldest season is the best hunting time for polar bears. It is easier to catch seals and fish due to the thickness of the ice and the rise of water in their environment. This time to hunt is enough to restore the polar bears’ body fat and fitness in preparation for the warm season where there is less ice and food. <span>As the warm season lengthens, the condition of the polar bears’ bodies decline resulting to effects that are serious for pregnant polar bears who are nursing and cubs who need their mothers’ energies to survive the harsh environment. </span>
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Answer:

A

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4 0
2 years ago
During periods of intense activity, when glycolysis is used in the generation of atp, the reaction lies to the right, decreasing
umka21 [38]

Adenosine monophosphate (AMP) is a regulatory molecule in metabolic processes such as glycolysis and gluconeogenesis. For example, it stimulates the glycolytic enzyme phosphofructokinase, and therefore ATP production, and it inhibits the gluconeogenic enzyme fructose 1,6-bisphosphatase. Adenylate kinase catalyzes the reversible reaction shown here:


2ADP --> ATP + AMP


During periods of intense activity, when glycolysis is used in the generation of ATP, the reaction lies to the right, decreasing [ADP], generating ATP, and accumulating AMP. However, [ATP] is usually much greater than [ADP], and [ADP] is greater than [AMP].


Determine [AMP] when 3% of the ATP in a hypothetical cell is hydrolyzed to ADP.


<span>In this cell, the initial concentration of ATP is 265 ?M, and the total adenine nucleotide concentration (the concentration of ATP, ADP, and AMP) is 368 ?M. The equilibrium constant K is 0.82</span>

<span>
</span>

4 0
3 years ago
Which of the following is a correct statement about a difference between xylem and phloem transport? A. Transpiration moves phlo
Paul [167]
Correct is the option E
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3 years ago
briefly explain what happens to energy and to molecules when bonds are formed and broken in molecules of ATP and ADP ( explain a
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4 0
2 years ago
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sladkih [1.3K]

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