Which cofactor is essential for the synthesis of arginine in bacteria A. Tetrahydrofolate B. Pyridoxal phosphate C. FADH D. Acetyl-CoA
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Which cofactor is essential for the synthesis of arginine in bacteria
| A. |
Tetrahydrofolate |
|
| B. |
Pyridoxal phosphate |
|
| C. |
FADH |
|
| D. |
Acetyl-CoA |
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- Which of the following condenses with oxaloacetate to form citrate? A) carboxybiotin B) cis-aconitate C) acetyl-CoA D) oxalosuccinate E) succinyl-phosphateStatin drugs are used to treat hypercholesterolemia because they a. prevent cholesterol from inserting in plasma membranes b. prevent cholesterol ester formation c. inhibit HMG-CoA reductase d. stimulate HMG-CoA synthaseWhat enzyme is inhibited by Acetyl-CoA carboxylase? a)Acetyl-CoA carboxylase b)Citrate lyase c)E3 ubiquitin ligase d)Carnitine acyltransferase I
- Acetyl CoA is generated from ________. A. oxaloacetate B. pyruvic acid C. citric acid D. waterAcetyl-CoA carboxylase is inhibited by A. biotin B. citrate C. acetyl-CoA D. palmitateWhich one of the following will function to inhibit CPT1? A.palmitoyl-CoA B.citrate C propionyl-CoA D.acetyl-CoA E malonyl-CoA
- The production of indole results from the enzymatic modification of a) glucose b) tryptophan c) hydrogen sulfide d) acetoin e) sucroseIf you fed a mouse a diet made up of exclusively Leucine, the mouse would eventually: A、Undergo extensive gluconeogenesis B、Enter ketosis C、Have a buildup of α-Ketoglutarate D、gain weight E、have a buildup of succinyl-CoABeta-carotene is converted to vitamin ____ in the cells of the small intestine. a. A b. C c. E d. D e. B12
- Which enzyme is responsible for the cyclization of a glutamate derivative forming a proline precursor? A、AIR synthetase B、semialdehyde cyclase C、No enzyme is required D、IMP synthaseWhich of the following statement regarding coenzyme A is incorrect? a) The B vitamin pantothenic acid is present as a subunit of its structure. b) Its main biochemical function is to transfer acetyl groups. c) Its structure contains a phosphorylated ADP.. d) The B vitamin pantothenic acid is the “active” subunit of the coenzyme A.What’s the role of biotin in fatty acid synthesis (you may choose more than one answer) A. A nucleophile that directly attack carbon dioxide B. A base that deprotonates acetyl CoA C. A temporary carrier of carbon dioxide
