Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Question
Chapter 36, Problem 18P
Interpretation Introduction
Interpretation:
The mechanism of ATP hydrolysis in the mechanical working of myosin should be determined.
Concept introduction:
The myosin is a type of motor filaments present in the eukaryotes. It is present in the muscles and help in muscle contraction. They remain bind to the actin in normal circumstances and released during the process of muscle contraction.
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Macmillan Learning
Cholesterol synthesis begins with the formation of mevalonate from acetyl CoA. This
process activates mevalonate and converts it to isopentenyl pyrophosphate.
Identify the atoms in mevalonate and isopentenyl pyrophosphate that will be labeled
from acetyl CoA labeled with 14C in the carbonyl carbon. Place 14C atoms and C atoms
to denote which carbon atoms are labeled and which are not labeled.
H₂C
COA
14C-labeled acetyl-CoA
HHH
[c]
H
H
OH
014C
- OH
H
HH
H
Mevalonate
CH3
H H
14C
H
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H
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Incorrect Answer
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Isopentenyl pyrophosphate
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Answer Bank
14C
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