What small molecule (not enzyme) is the source of the phosphate in the tyrosine

Question

What small molecule (not enzyme) is the source of the phosphate in the tyrosine phosphates generated by insulin signaling? (a substrate of kinases) A. irs-1 B. ATP C. PEP D. creatine phosphate E. NADP What enzyme do statin drugs like Lipitor inhibit? A. hexokinase B. pyruvate dehydrogenase C. ATP synthase D. pyruvate kinase E. HMG coA reductase Foreign compounds like drugs and toxins can be oxidized (as part of a detoxification pathway) by the mixed function oxygenase enzyme family. Besides the target molecule to be oxidized, what are the substrates of these enzymes? A. ATP, NADP^+ B. ATP, NADPH C. O_2, NADP^+ D. O_2, NADPH E. Zn, NADP^+ What is the enzyme called that makes mRNA using DNA as a template? A. RNA polymerase B. DNA/RNA mixed polymerase C. reverse transcriptase D. telomerase E. tRNA polymerase Which of these pairs are DNA binding motifs? A. Rosmann fold, HTH B. Zn finger, Leu zipper C. Leu zipper, P motif D Rossmann fold, HTH E. P motif, Zn finger

Explanation / Answer

53) the answer is option (b) ATP.. Kinase is an enzyme that helps in the phosphorylation of the substrate by transferring the phosphate group from ATP..

54) the answer is option (e) HMG-COA reductase.. Statin goes and binds to the enzyme block the working of it..

56) the answer is option (a) RNA polymerase.. It converts DNA to RNA.

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