
Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 16, Problem 4P
Interpretation Introduction
To Explain:
The state of rigor should be explained in molecular terms.
Introduction:
In muscle contraction, myosin filaments are being slide along the actin filaments. According to Albert Szent’s experiments, it is proven that the ATP hydrolysis and association and dissociation of actin and myosin complex are coupled. Energy released by ATP hydrolysis is used to power the 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
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H
Η
H
H
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of o
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Isopentenyl pyrophosphate
с
Answer Bank
14C
Draw the reaction between sphingosine and arachidonic acid. Draw out the full structures.
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