Which of the following is incorrect about chymotrypsin, trypsin, and elastase?a. They catalyze the hydrolysis of the peptide bondb. They have similar amino acid sequences and tertiary structuresc. None; all the other choices are correctOd. They have different substrate binding sites

Introduction: Chymotrypsin is a digestive enzyme present in our bodies which is secreted by the…

Answered: Which of the following is incorrect…

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

Problem 1P

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Branched-chain amino acids are important in metabolic processes for all of the following reasons except a. They serve as nonessential amino acids precursors. b. Their major role is in liver amino acid metabolism. c. They are a major transport form of amino nitrogen in blood. d. They are a critical source of hydrophobic side chains in DNA-binding proteins.
Answer the following using the picture attached: A. How does pepsin differ from chymotrypsin in terms of its active site residues and mechanism? B. How do these changes permit pepsin to operate at such a low pH?
If there was a molecule that causes Hb to be more stable in the T state, this molecule would: a. Generally, raise the affinity of Hb for O2 b. Generally, lower the affinity of Hb for O2 c. Generally, cause Mb to favor the R state while Hb is in the T state d. Generally, cause Hb to dissociate into αβ dimers
Select all FALSE statements about allosteric enzymes. a. They interconvert between a more active form and a less active form. b. They tend to have a hyperbolic curve of ?0 vs. [S]. c.They conform to Michaelis–Menten kinetics. d. They are generally small single subunit proteins. e. They may have binding sites for regulatory molecules that are separate from active sites.
Which of the statements below regarding glyphosate are true? (Choose all true statements) A.Glyphosate interacts with EPSP synthase because it resembles the substrate S-3P B.The interaction of S-3P is necessary for glyphosate binding. C.Glyphosate likely binds to both conformations of EPSP synthase shown in question 7. D.Glyphosate decreases Km for S-3P and thus likely the increases the affinity of the enzyme for substrate E.Glyphosate likely increases feedback inhibition by the product of the reaction EPSP

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Which of the following is incorrect about chymotrypsin, trypsin, and elastase? a. They catalyze the hydrolysis of the peptide bond b. They have similar amino acid sequences and tertiary structures c. None; all the other choices are correct d. They have different substrate binding sites