Refers to a random-length fatty acid carbon chain that is covalently bonded to coenzyme A OA. acyl B. acetyl O C. COA OD. FADH2 22
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- Which 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.The compound that enters the Krebs cycle isa. citric acid b. oxaloacetic acid c. pyruvic acid d. acetyl coenzyme AWhich of the following is an important end product of disassembly of fatty acids? answer choices A.) DNA gyrase B.) Pyruvate C.) Acetyl CoA D.) Succinate dehydrogenase
- Fats can be broken down into acetyl CoA for use in the Krebs cycle. Fats can also a. be built from excess acetyl CoA for energy storage. b. function as an electron carrier in the electron transport chain. c. be broken down directly into ATP. d. be broken down directly into NADH.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 dioxideWhich cofactor is essential for the synthesis of arginine in bacteria A. Tetrahydrofolate B. Pyridoxal phosphate C. FADH D. Acetyl-CoA
- Acetyl CoA is generated from ________. A. oxaloacetate B. pyruvic acid C. citric acid D. waterThe production of indole results from the enzymatic modification of a) glucose b) tryptophan c) hydrogen sulfide d) acetoin e) sucroseWhich of the following intermediates are shared by ketone body synthesis and cholesterol biosynthesis? a) HMG-CoA b) Mevalonate c) Bothaandb d) Neitheranorb
- Malonyl-CoA synthesis A. releases CO2 B. is inhibited by citrate C. requires acyl carrier protein (ACP) D. requires ATPIn the digestion of Carbohydrates, the more complex carbohydrate molecules are broken down into smaller molecules such as the Monosaccharides. This breakdown of complex carbohydrate into simple sugars is an example of: a. Catabollism b. AnabolismHow many moles of ATP is produced from the “processing” of one mole of acetyl CoA through the common metabolic pathway? a) 20 b) 16 c) 8 d) 10