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Metabolism is the entire set of chemical reactions that occur in biological systems. These reactions have many roles including obtaining energy from food, photosynthesis, production of cell structures or tissues, removal of waste, storage of energy, and cell replication. A set of sequential reactions in a biological pathway to produce a specific product is called A) metabolism B) metabolic pathway C) cell signaling D) megasynthase E) gene regulation
What species is formed from the transamination and oxidative deamination of the amino group in an amino acid? A) NH, B) NH, C) NH* D) CHÚNH, E) (NH2)CO
Acetyl-CoA carboxylase is an important enzyme in fatty acid synthesis. It attaches carbon dioxide to acetyl-CoA to form malonyl-CoA. What coenzyme is covalently attached to acetyl-CoA carboxylase? A) thiamine pyrophosphate B) lipoic acid C) pyridoxal phosphate D) biotin E) tetrahydrofolate
The processes illustrated here are known as what type of reaction? A) paired reaction NAD+ + H+ NADH B) tandem reaction OH C) simultaneous reaction D) parallel reaction H E) coupled reaction
What functional group in coenzyme A allows it to form thioesters such as acetyl COA? A) ketone B) amine C) amide D) thiol E) disulfide
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