Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 32, Problem 1MC
Which of the following statements is False?
a. Overheating to 108˚F is likely to disrupt covalent bonds in enzymes.
b. Overly acidic conditions can disrupt protein structure.
c. Low body temperature will reduce the rate at which enzymes catalyze reactions.
d. Considerable
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Students have asked these similar questions
Homeostatic systems maintain a steady-state set point over time using negative feedback. Which one of the following statement is NOT TRUE for stability of metabolic system:
Select one:
a. Step changes in a controlled variable will return the system to its original state using negative feedback
b. Metabolic systems that oscillate must have multiple control variables
c.A positive feedback system is stable over time, maintaining a steady state
d. Perturbations from steady state, either positive or negative, result in recovery reactions that returm the system to is original state.
Which of the following statements regarding protein phosphorylation is FALSE?
Select one:
A. Phosphorylation is catalyzed by enzymes called protein kinases.
B. Phosphorylation inhibits the activity of enzymes
C. Aspartate residues can be phosphorylated.
D. Phosphorylation is a reversible covalent modification of enzymes.
Which is usually the slowest way to regulate a reaction in a metabolic pathway?
Select one:
A. Allosteric modulation
B. Covalent modification
C. Changing the enzyme concentration
D. All of the above are usually equally as fast
The following statements are either True or False. Please label accordingly.
a.
L-Amino reductase is an enzyme.
b.
Allosteric enzymes are composed of two or more protein chains.
Heavy metals are examples of inhibitors.
They function by binding to sulfur on cysteine amino acid residues.
C.
d.
A reversible noncompetitive inhibitor temporarily blocks an enzyme's active site.
Enzymes don't denature as easily as smaller proteins when heated or
stressed due to their complex secondary and tertiary structure.
e.
Oxidative phosphorylation is the biochemical process by which ATP is
synthesized from ADP when protons cross the inner mitochondrial membrane.
f.
g.
DNA and RNA strands differ only in the fact that DNA forms a double helix.
h.
There is no secondary structure in RNA strands.
Chapter 32 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 32.1 - Prob. 1CSCCh. 32.1 - define homeostasis and explain why organisms...Ch. 32.1 - Prob. 1HYEWCh. 32.1 - What would happen if a cold, shvering mammal...Ch. 32.1 - Prob. 2CSCCh. 32.1 - explain the difference between ectotherms and...Ch. 32.1 - Prob. 3CYLCh. 32.1 - Prob. 4CYLCh. 32.2 - Prob. 1CSRCh. 32.2 - By pumping carbon dioxide and other greenhouse...
Ch. 32.2 - Prob. 1CYLCh. 32.2 - Prob. 1ETCh. 32.2 - describe the four types of tissues?Ch. 32.2 - name and describe the major human organ systems?Ch. 32 - Why does life on land present particular...Ch. 32 - The ability of the body to maintain its internal...Ch. 32 - Which of the following statements is False? a....Ch. 32 - Define homeostasis, and explain how negative...Ch. 32 - Prob. 2ACCh. 32 - Prob. 2FIBCh. 32 - Prob. 2MCCh. 32 - Define and compare ectotherms and endotherms....Ch. 32 - Imagine you are a health care professional...Ch. 32 - Prob. 3FIBCh. 32 - Prob. 3MCCh. 32 - Prob. 3RQCh. 32 - Glands with ducts connecting them to the...Ch. 32 - Prob. 4MCCh. 32 - Prob. 4RQCh. 32 - Prob. 5FIBCh. 32 - Which of the following statements is True? a....Ch. 32 - Prob. 5RQCh. 32 - what property distinguishes connective tissue from...Ch. 32 - Prob. 7RQ
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