2. If activity of enzyme D is regulated by phosphorylation, is it possible that enzyme D is also regulated by an allosteric regulator? Which of the following regulations is(are) reversible? A. Allosteric regulation B. Covalent regulation C. Proteolytic activation a) No; A and B b) No; C c) Yes; A and B Yes; C Your answer:

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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This is for an ungraded practice exam which I would like to know the reasoning behind
i) F; similar
j) G; similar
Your answer:
2. If activity of enzyme D is regulated by phosphorylation, is it possible that enzyme D is also
regulated by an allosteric regulator? Which of the following regulations is(are) reversible?
A. Allosteric regulation
B. Covalent regulation
C. Proteolytic activation
a) No; A and B
b) No; C
c) Yes; A and B
Yes; C
Your answer:
3. Aspartate transcarbamoylase (ATCase) catalyzes the reaction: carbamoylphosphate + aspartate
→ carbamoylaspartate and phosphate. The charge of carbamoylaspartate is
activity is allosterically regulated by CTP and ATP. ATCase has six catalytic subunits and six
regulatory subunits. CTP is an allosteric inhibitor and also a nossible.
Its
inhibitor
T In
w
167%
5
494 words
MacBook Air
Transcribed Image Text:i) F; similar j) G; similar Your answer: 2. If activity of enzyme D is regulated by phosphorylation, is it possible that enzyme D is also regulated by an allosteric regulator? Which of the following regulations is(are) reversible? A. Allosteric regulation B. Covalent regulation C. Proteolytic activation a) No; A and B b) No; C c) Yes; A and B Yes; C Your answer: 3. Aspartate transcarbamoylase (ATCase) catalyzes the reaction: carbamoylphosphate + aspartate → carbamoylaspartate and phosphate. The charge of carbamoylaspartate is activity is allosterically regulated by CTP and ATP. ATCase has six catalytic subunits and six regulatory subunits. CTP is an allosteric inhibitor and also a nossible. Its inhibitor T In w 167% 5 494 words MacBook Air
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