CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
3rd Edition
ISBN: 9780135686065
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 12TYU
SYNTHESIZE YOUR KNOWLEDGE
Explain what is happening in this photo in terms of kinetic energy and potential energy. Include the energy conversions that occur when the penguins eat fish and climb back up on the glacier. Describe the role of ATP and enzymes in the underlying molecular processes, including what happens to the free energy of some of the molecules involved.
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Relating to bioenergetics:
a. The equilibrium constant for a particular reaction is 6.8 x 10-5 which makes this reaction exergonic. True or False?b. All processes that occur in the universe are spontaneous and have low enough activation energies that molecules can often overcome the energy barrier. True or False?c. ATP has a highly negative free energy change in part because the negative charges on the oxygens repel each other in ATP but less so in ADP. True or False?
explain how ATP functions like a rechargeable battery, include the transfer of kinetic energy to potential energy in your explanation. also include where the energy that “charges” ETP comes from.
5. Examine the graphic below and answer the questions about the enzyme we reviewed in lecture.
1.0
0.01 mM
Vo
Vmax
ATP
1 mM ATP
0.5
1 mM ATP
+ 0.1 mM AMP
1
[Fru-6-P]
(mM)
2
A) What enzyme is this? What reaction does it perform? Of what metabolic pathway is this enzyme a part?
B) What allosteric regulator, shown on the graph as presented here, is considered to be a homotropic allosteric
factor?
C) Which allosteric regulator, shown on the graph as presented here, has the greatest influence on this enzyme?
Explain the reasoning behind your answer.
D) Name a positive allosteric effector of this enzyme NOT shown on the graph as presented here. What is the
origin of this positive allosteric effector...that is, where is it coming from?
E) Name a negative allosteric effector of this enzyme NOT shown on the graph as presented here. What is the
origin of this negative allosteric effector...that is, where is it coming from?
F) Explain how the regulation of this enzyme is tied to the "energy…
Chapter 6 Solutions
CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
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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