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  1. AP Biology
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Cellular Energetics

Question 1
college-boardBiologyAPExam Style
1 mark

Assuming a hypothetical scenario where an accidental gene duplication results in two versions of hexokinase with distinct allosteric sites - one version having higher sensitivity towards glucose-6-phosphate - how will glycolysis regulation likely be impacted?

Question 2
college-boardBiologyAPExam Style
1 mark

Which type of biomolecule is an enzyme?

Question 3
college-boardBiologyAPExam Style
1 mark

How might a mutation affecting the active site of an enzyme influence the catalytic efficiency in a metabolic pathway?

Question 4
college-boardBiologyAPExam Style
1 mark

In light of genetic polymorphisms affecting individual metabolic pathways and individual differences in response to pharmacological treatments, how could genotypically varying expression levels of a particular drug-metabolizing influence efficacy and toxicity of a medication?

Question 5
college-boardBiologyAPExam Style
1 mark

In what way can enzymes lower activation energy required for biochemical reactions?

Question 6
college-boardBiologyAPExam Style
1 mark

In what way could increasing environmental temperatures up to a point enhance enzyme-catalyzed reactions before eventually leading to decreased reaction rates?

Question 7
college-boardBiologyAPExam Style
1 mark

Pepsin is an enzyme that functions optimally at a pH of 2. Where is it found?

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Question 8
college-boardBiologyAPExam Style
1 mark

Which pattern on an age-structure diagram would indicate potential for rapid growth of a given population?

Question 9
college-boardBiologyAPExam Style
1 mark

In thermophiles that have evolved stable proteins capable of functioning at high temperatures, what might happen if these organisms were suddenly exposed to much cooler environmental conditions?

Question 10
college-boardBiologyAPExam Style
1 mark

Which of the following outcomes would most likely occur if a non-competitive inhibitor is introduced to an enzymatic reaction at high substrate concentration?