What reaction does a vitamin KH-dependent enzyme catalyze? View Available Hint(s) O It decarboxylates the y-carbon...

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▼ What reaction does a vitamin KH₂-dependent enzyme catalyze? ►View Available Hint(s) O It decarboxylates the y-carbon of a glutamate side chain. OIt carboxylates the y-carbon of an aspartate side chain. O It carboxylates the y-carbon of a glutamate side chain. OIt carboxylates the y-carbon of a glutamine side chain. O It carboxylates the ß-carbon of a glutamate side chain. Submit Part Q COASH is used to activate carboxylic acids. What type of compound is formed between COASH and a carboxylic acid? View Available Hint(s) anhydride thioether amide thioester mixed anhydride with phosphate Submit ▼ Part R What role does pyridoxal phosphate play in PLP-dependent enzymes? ▸ View Available Hint(s) O It provides a strong nucleophile. OIt transfers a methyl group. It allows electrons to be delocalized. OIt provides a strong base. O It is a reducing agent. Submit Part S Which of the coenzymes uses a mechanism involving radicals to catalyze a reaction? ▸ View Available Hint(s) TPP coenzyme B12 biotin PLP vitamin KH₂ Submit Part T What is the first step in the mechanism for the conversion of uracil to thymine catalyzed by thymidylate synthase using NN0-methylenetetrahydrofolate as a coenzyme? View Available Hint(s) nucleophilic attack on the B-carbon of uracil by a nucleophilic cysteine of the enzyme O deprotonation of uracil O nucleophilic attack on the B-carbon of uracil by a nucleophilic nitrogen of the enzyme nucleophilic attack by uracil on 5.10-methylenetetrahydrofolate nucleophilic attack by a nucleophilic cysteine residue of the enzyme on the carbonyl carbon of uracil OO O Submit ▼ Part H What role does ATP play in biotin-dependent enzymes? It puts a good leaving group on bicarbonate. OIt provides a strong base. It provides a strong nucleophile. It delocalizes electrons. It reduces bicarbonate. Submit Request Answer ▼ Part F TPP is the coenzyme required by pyruvate decarboxylase. What product is formed in that reaction? ► View Available Hint(s) O acetaldehyde O butanali formaldehyde O acetone O propanal Submit ▼ What reaction does a vitamin KH₂-dependent enzyme catalyze? ►View Available Hint(s) O It decarboxylates the y-carbon of a glutamate side chain. OIt carboxylates the y-carbon of an aspartate side chain. O It carboxylates the y-carbon of a glutamate side chain. OIt carboxylates the y-carbon of a glutamine side chain. O It carboxylates the ß-carbon of a glutamate side chain. Submit Part Q COASH is used to activate carboxylic acids. What type of compound is formed between COASH and a carboxylic acid? View Available Hint(s) anhydride thioether amide thioester mixed anhydride with phosphate Submit ▼ Part R What role does pyridoxal phosphate play in PLP-dependent enzymes? ▸ View Available Hint(s) O It provides a strong nucleophile. OIt transfers a methyl group. It allows electrons to be delocalized. OIt provides a strong base. O It is a reducing agent. Submit Part S Which of the coenzymes uses a mechanism involving radicals to catalyze a reaction? ▸ View Available Hint(s) TPP coenzyme B12 biotin PLP vitamin KH₂ Submit Part T What is the first step in the mechanism for the conversion of uracil to thymine catalyzed by thymidylate synthase using NN0-methylenetetrahydrofolate as a coenzyme? View Available Hint(s) nucleophilic attack on the B-carbon of uracil by a nucleophilic cysteine of the enzyme O deprotonation of uracil O nucleophilic attack on the B-carbon of uracil by a nucleophilic nitrogen of the enzyme nucleophilic attack by uracil on 5.10-methylenetetrahydrofolate nucleophilic attack by a nucleophilic cysteine residue of the enzyme on the carbonyl carbon of uracil OO O Submit ▼ Part H What role does ATP play in biotin-dependent enzymes? It puts a good leaving group on bicarbonate. OIt provides a strong base. It provides a strong nucleophile. It delocalizes electrons. It reduces bicarbonate. Submit Request Answer ▼ Part F TPP is the coenzyme required by pyruvate decarboxylase. What product is formed in that reaction? ► View Available Hint(s) O acetaldehyde O butanali formaldehyde O acetone O propanal Submit

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part 1 question ans Vitamin Kdependent enzymes play an important role in the posttranslational modifications required for various physiological processes including blood coagulation and bone mineraliz... View the full answer