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- Question
The glycolytic pathway (glucose ? 2 pyruvate) is found
Options- A. in all living organisms
- B. primarily in animals excluding particles
- C. only in eukaryotes
- D. only in yeast
- Correct Answer
- in all living organisms
- 1. Why does the glycolytic pathway continue in the direction of glucose catabolism?
Options- A. There are essentially three irreversible reactions that act as the driving force for the pathway
- B. High levels of ATP keep the pathway going in a forward direction
- C. The enzymes of glycolysis only function in one direction
- D. Glycolysis occurs in either direction Discuss
- 2. A kinase is an enzyme that
Options- A. removes phosphate groups of substrates
- B. uses ATP to add a phosphate group to the substrate
- C. uses NADH to change the oxidation state of the substrate
- D. removes water from a double bond Discuss
- 3. Which of the following could act as an uncoupler of electron transport and ATP synthesis?
Options- A. The Fo base-piece of ATP synthase (without the Fl subunit)
- B. Dinitrophenol
- C. neither (a) nor (b)
- D. Both (a) and (b) Discuss
- 4. When concentration of the reactants is higher than the equilibrium concentration then
Options- A. the gibbs free energy will be positive
- B. the gibbs free energy will be negative
- C. more products will be formed
- D. both (b) and (c) Discuss
- 5. The active form of glycogen phosphorylase is phosphorylated, while the dephosphorylation of which active form occurs?
Options- A. Glycogen synthase
- B. Glycogen semisynthase
- C. Glycogen hydrolase
- D. Glycogen dehydrogenase Discuss
- 6. The enzymes of glycolysis in a eukaryotic cell are located in the
Options- A. intermembrane space
- B. plasma membrane
- C. cytosol
- D. mitochondrial matrix Discuss
- 7. The oxidation of methanol (wood alcohol) in human retina tissue leads directly to the formation of
Options- A. formaldehyde
- B. sugars
- C. CO2
- D. none of these Discuss
- 8. The oxidation of methanol (wood alcohol) in human retina tissue indirectly leads to
Options- A. pressure builds up
- B. colour blindness
- C. blindness
- D. all of these Discuss
- 9. The transport of acyl-CoA for oxidation using a shuttle involves formation of the intermediate
Options- A. 3 acetyl-CoA
- B. Acyl-coenzyme A
- C. acyl-carnitine
- D. None of these Discuss
- 10. Where the acyl-CoA formed in the cytosol is transported for oxidation?
Options- A. Mitochondrial matrix
- B. Microsomes
- C. Endoplasmic reticulum
- D. Remains in cytosol Discuss
Glycolysis problems
Search Results
Correct Answer: There are essentially three irreversible reactions that act as the driving force for the pathway
Correct Answer: uses ATP to add a phosphate group to the substrate
Correct Answer: Both (a) and (b)
Correct Answer: both (b) and (c)
Correct Answer: Glycogen synthase
Correct Answer: cytosol
Correct Answer: formaldehyde
Correct Answer: blindness
Correct Answer: acyl-carnitine
Correct Answer: Mitochondrial matrix
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