Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 6, Problem 2MC
Summary Introduction
Introduction:
Exergonic reactions are reactions in which heat is liberated when substrates combine to form products in the
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What specific reaction cannot occur due to the presence of cyanide?
A.Transfer of electrons to co-enzymes
B.Inability to strip a carbon from pyruvate
C.Transfer of electrons to and between carrier proteins
D.Addition of a phosphate onto ADP to make ATP
How does ATP participate in coupled reactions? a. Hydrolysis of ATP fuels endergonic reactions. b. Synthesis of ATP fuels endergonic reactions. c. Hydrolysis of ADP fuels exergonic reactions. d. Synthesis of ADP fuels exergonic reactions.
What is a regulatory mechanism in which a reaction product slows or stops a metabolic pathway that produces it?
A. Phosphorylation
B. Feedback inhibition
C. Electron transfer chain
D. Coenzyme
Chapter 6 Solutions
Biology
Ch. 6.1 - Prob. 1TCCh. 6.1 - Energy Unleashed Much like a cars engine, the...Ch. 6.1 - define energy and work?Ch. 6.1 - define potential energy and kinetic energy and...Ch. 6.1 - State and explain the first and second laws of...Ch. 6.2 - Is glucose breakdown endergonic or exergonic? What...Ch. 6.2 - Prob. 1CSCCh. 6.2 - describe how energy is captured and released by...Ch. 6.2 - explain exergonic and endergonic reactions and...Ch. 6.2 - explain activation energy?
Ch. 6.3 - Prob. 1TCCh. 6.3 - In hope of reducing plastic waste, some towns and...Ch. 6.3 - name and describe two important energy-carrier...Ch. 6.3 - explain coupled reactions?Ch. 6.4 - Can an enzyme catalyst make an endergonic reaction...Ch. 6.4 - You may have seen the almost magical glow of...Ch. 6.4 - explain how catalysts reduce activation energy?Ch. 6.4 - explain how enzymes function as biological...Ch. 6.5 - Health Watch Lack of an Enzyme Leads to Lactose...Ch. 6.5 - describe how cells regulate the rate at which...Ch. 6.5 - explain how poisons, drugs, and environmental...Ch. 6.5 - Prob. 2TCCh. 6 - Which of the following is True? a. Enzymes...Ch. 6 - Prob. 2MCCh. 6 - Prob. 3MCCh. 6 - Prob. 4MCCh. 6 - Prob. 5MCCh. 6 - Prob. 1FIBCh. 6 - Prob. 2FIBCh. 6 - Prob. 3FIBCh. 6 - Prob. 4FIBCh. 6 - Prob. 5FIBCh. 6 - Prob. 6FIBCh. 6 - Prob. 1RQCh. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - While vacuuming, you show off by telling a friend...Ch. 6 - Refute the following: According to evolutionary...Ch. 6 - Can a bear use all the energy contained in the...
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- Which molecule does not form during glycolysis? a. NADH c. oxygen (O2) b. pyruvate d. ATParrow_forwardWhich molecule absorbs the energy of a photon in photosynthesis? a. ATP b. glucose c. chlorophyll d. waterarrow_forwardWhat is the energy of a photon first used to do in photosynthesis? a. split a water molecule b. energize an electron c. produce ATP d. synthesize glucosearrow_forward
- What two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxidearrow_forwardWhich is not an example of an exergonic reaction?a. photosynthesisb. a nuclear reaction in the sunc. ATP S ADP + Pid. glucose breakdownarrow_forwardWhich statement about the ATP synthase is false? a. It is a rotary machine b. It is located in the inner mitochondrial membrane c. It can make ATP, or it can break ATP down d. It only contains membrane-embedded regionsarrow_forward
- Why is the formation of ATP by ATP synthase referred to as oxidative phosphorylation? A. A phosphate is transferred from oxygen to ADP to form ATP B. Oxygen provides the mechanical energy that is used to create ATP from ADP C. Oxygen is the final electron acceptor in the electron transport chain, which creates the proton gradient necessary to power ATP synthase D. ADP combines with oxygen to form ATParrow_forwardAt how many protein complex sites in the electron transport chain does proton pumping occur? a. 1 b. 2 c. 3 d. 4arrow_forwardAt the end of an enzymatic reaction, which molecule remains uncharged? A. Substrate B. Product C. Enzyme D. Nonearrow_forward
- If you ran a molecule through each of these processes, when would the MOST reduced carbon compound be found? A. Start of glycolysis B. Start of electron transport chain C. End of chemiosmosis D. End of citric acid cyclearrow_forwardWhich is established by the electron transport chain and can be used to drive cellular work especially by the ATP synthase? a. Kinetic Energy b. Electrical Energy c. Gravitational Force d. Proton-Motive Forcearrow_forwardAfter radioactive carbon was fed into the citric acid cycle, where might it be found? A. ATP B. NADH C. Carbon Dioxide D. Proton Gradientarrow_forward
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