Discussion
Home ‣ Biochemistry ‣ Carbohydrate Comments
- Question
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
- Correct Answer
- synthesis of glucose from non-carbohydrate precursors
- 1. 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 Discuss
- 2. How many ATP equivalents per mole of glucose input are required for gluconeogenesis?
Options- A. 2
- B. 6
- C. 8
- D. 4 Discuss
- 3. a-amylose is similar to
Options- A. ?-sheets
- B. ?-turned coils
- C. ?-helices
- D. the hydrophobic core Discuss
- 4. The ultimate source of energy that sustains living systems is
Options- A. glucose
- B. oxygen
- C. sunlight
- D. carbon dioxide Discuss
- 5. 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
- 6. Under aerobic condition pyruvate is converted by pyruvate dehydrogenase to
Options- A. phosphoenol pyruvate
- B. acetyl CoA
- C. lactate
- D. glyceraldehyde 3 phosphate Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. In lysozyme catalysis, which of the following does not contribute?
Options- A. The abnormally high pKa of Glu35
- B. The strained conformation of the D sugar
- C. Formation of a covalent intermediate at Asp52
- D. Formation of a covalent intermediate at Ser195 Discuss
Carbohydrate problems
Search Results
Correct Answer: in pyranose sugars
Correct Answer: 6
Correct Answer: ?-helices
Correct Answer: sunlight
Correct Answer: Activates the cAMP-dependent protein kinase
Correct Answer: acetyl CoA
Correct Answer: reduction
Correct Answer: nicotinamide adenine dinucleotide and ribose 5-phosphate
Correct Answer: glycolysis releases energy as heat
Correct Answer: Formation of a covalent intermediate at Ser195
Comments
There are no comments.More in Biochemistry:
Programming
Copyright ©CuriousTab. All rights reserved.