EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Chapter 8, Problem 11TYU
Summary Introduction
To explain: The kinetic and potential energy in the penguins jump that are jumping into water, the energy conversions when the penguins climb back on the glacier after eating fishes, and the role of enzymes and ATP in the
Introduction: The penguins jump from the glacier into the ocean to catch fish. The potential energy conserved in their body, due to the height of the glacier is converted into the kinetic energy of motion. This is according to the law of conservation of energy.
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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?
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…
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Chapter 8 Solutions
EBK CAMPBELL BIOLOGY
Ch. 8.1 - MAKE CONNECTIONS How does the second law of...Ch. 8.1 - Describe the forms of energy found in an apple as...Ch. 8.1 - WHAT IF? If you place a teaspoon of sugar in the...Ch. 8.2 - Cellular respiration uses glucose and oxygen,...Ch. 8.2 - VISUAL SKILLS How would the processes of...Ch. 8.2 - WHAT IF? Some nighttime partygoers wear glow-in-...Ch. 8.3 - How does ATP typically transfer energy from an...Ch. 8.3 - Prob. 2CCCh. 8.3 - MAKE CONNECTIONS Does Figure 8.11a show passive...Ch. 8.4 - Many spontaneous reactions occur very slowly. Why...
Ch. 8.4 - Prob. 2CCCh. 8.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 8.4 - Prob. 4CCCh. 8.5 - How do an activator and an inhibitor have...Ch. 8.5 - Prob. 2CCCh. 8 - Explain how the highly ordered structure of a cell...Ch. 8 - Explain the meaning of each component in the...Ch. 8 - Describe the ATP cycle: How is ATP used and...Ch. 8 - How do both activation energy barriers and enzymes...Ch. 8 - Prob. 8.5CRCh. 8 - Choose the pair of terms that correctly completes...Ch. 8 - Prob. 2TYUCh. 8 - Which of the following metabolic processes can...Ch. 8 - Prob. 4TYUCh. 8 - Some bacteria art metabolically active in hot...Ch. 8 - If an enzyme is added to a solution where its...Ch. 8 - Prob. 7TYUCh. 8 - EVOLUTION CONNECTION Some people argue that...Ch. 8 - Prob. 9TYUCh. 8 - WRITE ABOUT A THEME: ENERGY AND MATTER Life...Ch. 8 - Prob. 11TYU
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Similar questions
- Figure 6.8 Look at each of the processes shown, and decide if it is endergonic or exergonic. In each case, does enthalpy increase or decrease, and does entropy increase or decrease?arrow_forwardinfarrow_forwardexplain 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.arrow_forward
- 1. provide a solution using a table, listing all the specific individual reactions that will generate ATP either by substrate level phosphorylation (SLP) or by oxidative phosphorylation (OP). 2. Shall the given question require a shuttle system, please use both and indicate the net ATP for each. 3. Get the net ATP for each question given you. The second picture is for your reference in format.arrow_forwardInterpret clearly and explain the information presented in this grapharrow_forwardWhat is activation energy?arrow_forward
- Compare the structures of ATP to these nucleic acids: cCAMP, dinucleotides, RNA, DNA. Your comparisons should include both similarities and differences. Your comparisons should:arrow_forwardWo reactions below and determine if they are exergonic or endergonic reactions + reactants 1. Label the molecules and identify this process Glucose + Oxygen -> ATP + Carbon Dioxide + Water 2. Summarize this process: M 3. Write the balanced equation for this process: 4. Is this process an exergonic or endergonic reaction? Why? O Search ATP energy OCO OCC OGO OGO Cell Respiration + products 8arrow_forwardselect which ones are examples of potential energyarrow_forward
- Can you explain this?arrow_forwardExplain the importance of energy and entropy for living cells. State the role of enzymes in controlling metabolic biochemistry. Describe how catabolism converts many complex food molecules to a few kinds of catabolites. Explain how catabolism yields energy and how the energy is stored for use. Describe how the energy carriers ATP and NADH transfer energy between energy-yielding and energy-spending reactions. Describe how sugar is catabolized to pyruvate via glycolysis, along with production of ATP and NADH. Explain how pyruvate can be further TCA cycle (when oxygen is available). polized by fermentation or by the Explain how bacterial catabolic reactions are used in clinical tests to identify a pathogen. Define and explain the importance of nitrogen fixationarrow_forwardFigure 6.10 If no activation energy were required to break down sucrose (table sugar), would you be able to store it in a sugar bowl? Gibbs Free Energy EXERGONIC REACTION: &G<0 Reaction is spontaneous Activation energy of uncatalyzed reaction Activation enerGYO ▶ catalyzed reaction Figure 6.10 Activation energy is the energy required for a reaction to proceed, and it is lower if the reaction is catalyzed. This diagram's horizontal axis describes the sequence of events in time.arrow_forward
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