Discussion
Home ‣ Biochemistry ‣ Carbohydrate Comments
- Question
Boat and chair conformations are found
Options- A. in pyranose sugars
- B. in any sugar without axial -OH groups
- C. in any sugar without equatorial -OH groups
- D. only in D-glucopyranose
- Correct Answer
- in pyranose sugars
- 1. How many ATP equivalents per mole of glucose input are required for gluconeogenesis?
Options- A. 2
- B. 6
- C. 8
- D. 4 Discuss
- 2. a-amylose is similar to
Options- A. ?-sheets
- B. ?-turned coils
- C. ?-helices
- D. the hydrophobic core Discuss
- 3. The ultimate source of energy that sustains living systems is
Options- A. glucose
- B. oxygen
- C. sunlight
- D. carbon dioxide Discuss
- 4. Which of the following is carried out when cAMP functions as a second messenger?
Options- A. Acts second in importance to AMP
- B. Activates all cytosolic protein kinases
- C. Activates the cAMP-dependent protein kinase
- D. Acts outside the cell to influence cellular processes Discuss
- 5. Hydrolysis of lactose yields
Options- A. galactose and fructose
- B. galactose and glucose
- C. glucose and fructose
- D. fructose and galactose Discuss
- 6. Gluconeogenesis is the
Options- A. formation of glycogen
- B. breakdown of glucose to pyruvate
- C. breakdown of glycogen to glucose
- D. synthesis of glucose from non-carbohydrate precursors Discuss
- 7. Under aerobic condition pyruvate is converted by pyruvate dehydrogenase to
Options- A. phosphoenol pyruvate
- B. acetyl CoA
- C. lactate
- D. glyceraldehyde 3 phosphate Discuss
- 8. A common way that cells capture the energy released during the breakdown of large molecules is to add electrons to smaller, specialized molecules that can accept them. This process of electron acceptance is otherwise known as
Options- A. biosynthesis
- B. metabolism
- C. reduction
- D. catalysis Discuss
- 9. Two major products of pentose phosphate pathway are
Options- A. nicotinamide adenine dinucleotide and ribose 5-phosphate
- B. flavine adenine dinuclueotide and glucose 5-phosphate
- C. FAD and CoA
- D. NADPH and NAD Discuss
- 10. Gluconeogenesis requires a higher amount of ATP equivalents as compared to that produced by glycolysis because
Options- A. gluconeogenesis releases energy as heat
- B. glycolysis releases energy as heat
- C. glycolysis occurs in the mitochondria while gluconeogenesis occurs in the cytosol
- D. all of the above Discuss
Carbohydrate problems
Search Results
Correct Answer: 6
Correct Answer: ?-helices
Correct Answer: sunlight
Correct Answer: Activates the cAMP-dependent protein kinase
Correct Answer: galactose and glucose
Correct Answer: synthesis of glucose from non-carbohydrate precursors
Correct Answer: acetyl CoA
Correct Answer: reduction
Correct Answer: nicotinamide adenine dinucleotide and ribose 5-phosphate
Correct Answer: glycolysis releases energy as heat
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