An enzyme facilitate catalysis by formation of phosphoester bond with the phosphate group of the substrate. Which amino acid residue can facilitate such mechanism of catalysis? Select the correct response: Aspartic acid Serine Glutamine Lysine

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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An enzyme facilitate catalysis by formation of
phosphoester bond with the phosphate group of the
substrate. Which amino acid residue can facilitate
such mechanism of catalysis?
Select the correct response:
Aspartic acid
Serine
Glutamine
Lysine
Transcribed Image Text:An enzyme facilitate catalysis by formation of phosphoester bond with the phosphate group of the substrate. Which amino acid residue can facilitate such mechanism of catalysis? Select the correct response: Aspartic acid Serine Glutamine Lysine
Which of the following is a mechanism of catalysis
by co-enzymes?
1. They form intermediate covalent bond with the
substrate molecules.
II. They polarize bonds because of their electrophilic
nature.
III. They facilitate electron transfer.
Select the correct response:
II and III
I only
I and II
I, II, and III
Il only
Transcribed Image Text:Which of the following is a mechanism of catalysis by co-enzymes? 1. They form intermediate covalent bond with the substrate molecules. II. They polarize bonds because of their electrophilic nature. III. They facilitate electron transfer. Select the correct response: II and III I only I and II I, II, and III Il only
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