Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 7TYU
DRAW IT Using a series of arrows, draw the branched
L can form either M or N.
M can form O .
O can form either P or R.
P can form Q .
R can form S.
O inhibits the reaction of L to form M.
Q inhibits the reaction of O to form P.
S inhibits the reaction of O to form R.
Which reaction would prevail if both Q and S were present in the cell at high concentrations?
- A. L → M
- B. M → O
- C. L → N
- D. O → P
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DRAW IT Using a series of arrows, draw the branched metabolicreaction pathway described by the following statements, andthen answer the question at the end. Use red arrows and minussigns to indicate inhibition.L can form either M or N.M can form O.O can form either P or R.P can form Q.R can form S.O inhibits the reaction of L to form M.Q inhibits the reaction of O to form P.S inhibits the reaction of O to form R.Which reaction would prevail if both Q and S were present inthe cell in high concentrations?(A) L S M(B) M S O(C) L S N(D) O S P
For each of the statements below about the dUTPase enzyme, mark whether it is true or false. If it is false, change the language to make the statement true.
_______If the dUTPase enzyme is the rate determining step in a larger metabolic pathway, the reaction likely lies near to equilibrium and is irreversible.
_______For the dUTPase reaction, it is not likely that DG’ = DG°’
_______ dUTPase has a higher affinity for its substrate than for its product, but both of these are higher than the affinity for the transition state
_______Kinetic analysis of dUTPase using Michaelis-Menten methods assumes that the formation of the E*S complex has a large negative value for DG
Consider the following metabolic pathway and answer the questions.
CHOPO,
CHOPO,
H-C-OH
CHOH
он
OH
HO-C-H
H-C-OH
H-C-OH
H-C-OH
H -OH
a.
Give the two principal metabolic
functions of this pathway
CHO
CHOH
H--OH
b.
Write the number of the reaction
HO-C
H--OH
CHOPO,
that is an oxidative decarboxylation.
H-C-OH
c dentify the products of reaction 8
by name or by structure.
CH,OH
HO-H
d.
Identify a reaction that uses
CHO
thiamine pyrophosphate as a cofactor
H-C-OH
H-C-OH
H-C-OH
e Identify a reaction that involves the
hydrolysis of an ester.
H -OH
CHOPO
CHO
CHOH
H-C-CH
-OH
Name the products of reaction 6.
HO-C-H
H-C-OH
H-C-OH
CHOPO
Chapter 6 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 6.1 - MAKE CONNECTIONS How does the second law of...Ch. 6.1 - Describe the forms of energy found in an apple as...Ch. 6.2 - Cellular respiration uses glucose and oxygen,...Ch. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.3 - How does ATP typically transfer energy from...Ch. 6.3 - Prob. 2CCCh. 6.3 - MAKE CONNECTIONS Does Figure 6.10a show passive or...Ch. 6.4 - Many spontaneous reactions occur very slowly. Why...Ch. 6.4 - Why do enzymes act only on very specific...
Ch. 6.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 6.4 - A mature lysosome has an internal pH of around...Ch. 6.5 - How do an activator and an inhibitor have...Ch. 6.5 - Prob. 2CCCh. 6 - Choose the pair of terms that correctly completes...Ch. 6 - Prob. 2TYUCh. 6 - Which of the following metabolic processes can...Ch. 6 - If an enzyme in solution is saturated with...Ch. 6 - Some bacteria are metabolically active in hot...Ch. 6 - If an enzyme is added to a solution where its...Ch. 6 - DRAW IT Using a series of arrows, draw the...Ch. 6 - Prob. 8TYUCh. 6 - SCIENCE, TECHNOLOGY, AND SOCIETY Organophosphates...Ch. 6 - FOCUS ON EVOLUTION A recent revival of the...Ch. 6 - FOCUS ON ENERGY AND MATTER Life requires energy....Ch. 6 - SYNTHESIZE YOUR KNOWLEDGE Explain what is...
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