MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Biological steroid derived from cholesterol is ___________ |
| A. | Clenbuterol |
| B. | Cortisol |
| C. | Winstrol |
| D. | Dianabol |
| Answer» C. Winstrol | |
| 2. |
Dihydroxyacetone phosphate precursor of glycerol 3-phosphate is derived from ___________ |
| A. | Glycerol |
| B. | Triacylglycerol |
| C. | Glycerol 3-phosphate |
| D. | Pyruvate |
| Answer» E. | |
| 3. |
The higher activity of which of the following enzymes leads to increased synthesis of the precursors of glyceroneogenesis? |
| A. | PEP carboxykinase |
| B. | Acyl transferase |
| C. | Acyl co-A synthase |
| D. | Phosphatidic acid phosphatase |
| Answer» B. Acyl transferase | |
| 4. |
In adipose tissue, glyceroneogenesis couples with ___________ |
| A. | Reesterification |
| B. | Esterification |
| C. | Glycolysis |
| D. | Phosphorylation |
| Answer» B. Esterification | |
| 5. |
Where does the triacylglycerol form? |
| A. | Liver |
| B. | Kidneys |
| C. | Adipose tissue |
| D. | Heart |
| Answer» B. Kidneys | |
| 6. |
In animal tissues, triacylglycerols and glycerophospholipids share two precursors ___________ |
| A. | Fatty acyl co-A and L-glycerol 3-phosphate |
| B. | L-glycerol 3-phosphate and L-glycerol 2-phosphate |
| C. | Diacylglycerol 3-phosphate and L-glycerol 3-phosphate |
| D. | L-glycerol 3-phosphate and diacylglycerol 2-phosphate |
| Answer» B. L-glycerol 3-phosphate and L-glycerol 2-phosphate | |
| 7. |
Hydrolysis of phosphatidic acid by phosphatidic acid phosphatase yields ___________ |
| A. | 1, 2-diacylglycerol |
| B. | 1, 3-diacylglycerol |
| C. | 1, 4-diacylglycerol |
| D. | 1, 5-diacylglycerol |
| Answer» B. 1, 3-diacylglycerol | |
| 8. |
Which of the following is not true regarding the synthesis of triacylglycerol in adipose tissue? |
| A. | Phosphatidate is hydrolyzed |
| B. | Glycerol 3-phosphate dehydrogenase plays an important role |
| C. | Glycerol kinase plays an important role |
| D. | It is synthesized from dihydroxyacetone phosphate |
| Answer» D. It is synthesized from dihydroxyacetone phosphate | |
| 9. |
DIHYDROXYACETONE_PHOSPHATE_PRECURSOR_OF_GLYCEROL_3-PHOSPHATE_IS_DERIVED_FROM?$ |
| A. | Glycerol |
| B. | Triacylglycerol |
| C. | Glycerol 3-phosphate |
| D. | Pyruvate |
| Answer» E. | |
| 10. |
Biological steroid derived from cholesterol is |
| A. | Clenbuterol |
| B. | Cortisol |
| C. | Winstrol |
| D. | Dianabol |
| Answer» C. Winstrol | |
| 11. |
The higher activity of which of the following enzymes leads to increased synthesis of the precursors of glyceroneogenesi? |
| A. | PEP carboxykinase |
| B. | Acyl transferase |
| C. | Acyl co-A synthase |
| D. | Phosphatidic acid phosphatase |
| Answer» B. Acyl transferase | |
| 12. |
Which of the following class of drugs reduce the levels of fatty acids circulating in the blood? |
| A. | Thiazolidinediones |
| B. | Amphetamines |
| C. | Cathinones |
| D. | Synthetic cannabinoids |
| Answer» B. Amphetamines | |
| 13. |
In adipose tissue, glyceroneogenesis couples with |
| A. | Reesterification |
| B. | Esterification |
| C. | Glycolysis |
| D. | Phosphorylation |
| Answer» B. Esterification | |
| 14. |
Where does triacylglycerol form? |
| A. | Liver |
| B. | Kidneys |
| C. | Adipose tissue |
| D. | Heart |
| Answer» B. Kidneys | |
| 15. |
Which of the following is more commonly called phosphatidic acid? |
| A. | Diacylglycerol 3-phosphate |
| B. | Fatty acyl co-A |
| C. | L-glycerol 3-phosphate |
| D. | L-glycerol 2-phosphate |
| Answer» B. Fatty acyl co-A | |
| 16. |
In animal tissues, triacylglycerols and glycerophospholipids share two precursors |
| A. | Fatty acyl co-A and L-glycerol 3-phosphate |
| B. | L-glycerol 3-phosphate and L-glycerol 2-phosphate |
| C. | Diacylglycerol 3-phosphate and L-glycerol 3-phosphate |
| D. | L-glycerol 3-phosphate and diacylglycerol 2-phosphate |
| Answer» B. L-glycerol 3-phosphate and L-glycerol 2-phosphate | |
| 17. |
Hydrolysis of phosphatidic acid by phosphatidic acid phosphatase yields |
| A. | 1, 2-diacylglycerol |
| B. | 1, 3-diacylglycerol |
| C. | 1, 4-diacylglycerol |
| D. | 1, 5-diacylglycerol |
| Answer» B. 1, 3-diacylglycerol | |
| 18. |
Which of the following is not true regarding synthesis of triacyl glycerol in adipose tissue? |
| A. | Phosphatidate is hydrolyzed |
| B. | Glycerol 3-phosphate dehydrogenase plays an important role |
| C. | Glycerol kinase plays an important role |
| D. | It is synthesized from dihydroxyacetone phosphate |
| Answer» D. It is synthesized from dihydroxyacetone phosphate | |