There are four questions on my biology homework and I was looking to be sure I g

Question

There are four questions on my biology homework and I was looking to be sure I guessed the correct answers. For 1, I put A. For 2, A. For 3, E. For 4, B. Please let me know which ones are wrong and an explanation of why they are wrong would be excellent too. Thanks!

1. A drug is designed to make the glycolytic pathway more productive. What part of the cell would the drug need to be delivered to for it to directly affect this pathway?
A) cytosol
B) mitochondrial intermembrane space
C) nucleus
D) mitochondrial matrix
E) chloroplast

2. A company that manufactures nutritional supplements seeks to produce a product to help athletes, like soccer players, whose muscles need relatively high levels of ATP for sustained periods of time and extremely high levels for shorter intervals. Which of the mechanisms below is a means by which a supplement could, theoretically, achieve these results if there were no other effects on the cell?
A) decreasing the rate that pyruvate is transported into the mitochondria
B) increasing the H+ concentration in the mitochondrial matrix
C) increasing the availability of oxygen to muscle cells
D) limiting the flow of electrons through cytochrome c
E) preventing fatty acids from entering the citric acid cycle/Krebs cycle

3. A substance that binds with the active site of pyruvate dehydrogenase inhibiting the ability of the enzyme to bind with pyruvate is acting as a ___________.
A) prosthetic group
B) cofactor
C) ribozyme
D) noncompetitive inhibitor
E) competitive inhibitor

4. A drug that increases the number of NADH & FADH2 molecules produced through the citric acid cycle/Krebs cycle and has no other effects on the cell would theoretically:
A) decrease the cell

Explanation / Answer

e b c d

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.