CONNECT-W/ LEARNSMART LABS INQUIRY INTO
16th Edition
ISBN: 9781260482560
Author: Mader
Publisher: MCG
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Chapter 7, Problem 2TC
Rotenone is a broad-spectrum insecticide that inhibits the electron transport chain. Why might it be toxic to humans?
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Extremophiles are microorganisms that can survive and proliferate in extreme environments. One group of such microorganisms are lithotrophs. These are found deep
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carbon.
Imagine that you are studying a newly discovered lithotroph and are trying to determine what it uses as a source of electrons for reducing CO2 and for producing energy.
Which one of the following conditions must be met for a molecule to serve as a useful electron donor?
Oxidation of the molecule occurs with a decrease in free energy.
Oxidation of the molecule occurs with an increase in free energy.
Reduction of the molecule occurs with a decrease in free energy.
O Reduction of the molecule occurs with an increase in free energy.
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An organism is discovered living near hydrothermal vents deep in the ocean where sunlight cannot
reach. It is found to gain energy through the oxidation of inorganic sulfur compounds present in its
environment and uses this energy to turn CO2 into complex organic compounds. Based on this
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Chemoautotroph
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Chapter 7 Solutions
CONNECT-W/ LEARNSMART LABS INQUIRY INTO
Ch. 7.1 - Describe the overall equation for cellular...Ch. 7.1 - Prob. 2LOCh. 7.1 - Prob. 3LOCh. 7.1 - Explain the role of NAD+ and FAD in cellular...Ch. 7.1 - Distinguish between the aerobic and anaerobic...Ch. 7.1 - Prob. 3CYPCh. 7.2 - Describe the location and inputs and outputs of...Ch. 7.2 - Explain why ATP is both an input and output of...Ch. 7.2 - Explain why there is an energy-investment phase...Ch. 7.2 - Prob. 2CYP
Ch. 7.3 - Explain how ATP can continue to be produced in the...Ch. 7.3 - Describe the advantages and disadvantages of...Ch. 7.3 - Prob. 1QTCCh. 7.3 - Explain how fermentation acts as a NAD+ recycling...Ch. 7.3 - Describe the environmental conditions that would...Ch. 7.3 - Prob. 2CYPCh. 7.4 - Prob. 1LOCh. 7.4 - Summarize the inputs and outputs of the...Ch. 7.4 - Prob. 3LOCh. 7.4 - How might a meal of a cheeseburger and fries be...Ch. 7.4 - While Figure 7B does not indicate the need for...Ch. 7.4 - Prob. 1CYPCh. 7.4 - Prob. 2CYPCh. 7.4 - Discuss why there is variation in the number of...Ch. 7 - Prob. S2.5BYBCh. 7 - Prob. S3.3BYBCh. 7 - Figure 6.3 How does the ATP cycle resemble a...Ch. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3ACh. 7 - Prob. 4ACh. 7 - Prob. 5ACh. 7 - 6. During glycolysis, what is the net production...Ch. 7 - Prob. 7ACh. 7 - Prob. 8ACh. 7 - Prob. 9ACh. 7 - Prob. 10ACh. 7 - Which of these is not true of the citric acid...Ch. 7 - Which of these is not true of the electron...Ch. 7 - The oxygen required by cellular respiration is...Ch. 7 - Prob. 1TCCh. 7 - Rotenone is a broad-spectrum insecticide that...Ch. 7 - Some fat-burning compounds accelerate the movement...
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- List the three chemical processes that can lead to the removal of ions from solution and thus drive a metathesis reaction. Give one example for each of the three chemical processes.arrow_forwardChemolithotrophs near hydrothermal vents support a variety of other life-forms there. Explain how their role is analogous to that of photosynthetic organisms in terrestrial environments.arrow_forwardIn what form is energy transferred in a redox reaction?arrow_forward
- short Answers: 1) Explain the difference between catabolism and anabolism. 2) How does ATP serve as a carrier of free energy? 3) How do enzyme catalyze chemical reactions? 4) How do cells regulate enzyme actuvity? 5) In photosynthesis, what is encompassed by the term light reaction ?arrow_forwardTriclosan is a broad-spectrum antibacterial agent used in many household products. It is structurally similar to polychlorobiphenylol, a substrate that binds to the active site of the enzyme sulfotransferase. Based on these facts, you can conclude that triclosan most likely: lowers the activation energy of chemical reactions. functions as an enzyme when sulfotransferase is absent. is a competitive inhibitor. acts as a noncompetitive inhibitor.arrow_forwardWhich of the following sequence of proteins and the corresponding number of pumped protons is correct during the electron transport chain from NADH? Ubiquinone → Complex III: 4 H+ → Cytochrome c→ Complex IV: 2 Ubiquinone Complex III: 2 H+→ Cytochrome c→ Complex IV:2 Ubiquinone → Cytochrome c→ Complex III: 4 H+ → Complex IV: 2 D. Complex 1: 4 H+ → Ubiquinone → Complex III: 2H+ → Complex IV: 2 H+ → Cytochrome c A. Complex I: 4 H+ → B. Complex I: 4 H+ C. Complex I: 4 H+arrow_forward
- The photosynthetic process used by the green sulfur bacteria, under anaerobic conditions, is best represented by which of the following balanced equations? cell bio 6CO2 + 12H2S C6H12O6 + 6S2 + 6H2O C6H12O6 + C6H12O6 C12H22O11 + H2O 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2O C12H22O11 + H2O C6H12O6 + C6H12O6 C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2Oarrow_forwardCytochrome P450 (CYP450) monoxygenase is the enzyme involved in Phase I metabolism. 450 refers to: * It can metabolize 450 drugs when in the reduced form and complexed to carbon monoxide It can produce 450 drugs when in the oxidized form and complexed to carbon dioxide It can emit light at 450 nm when in the oxidized form and complexed to carbon monoxide It can absorb light at 450 nm when in the reduced form and complexed to carbon dioxide It can absorb light at 450 nm when in the reduced form and complexed to carbon monoxidearrow_forwardIf nitrate is used as the terminal electron acceptor in the electron transport system of a bacterium,how many ATPs could be synthesized?arrow_forward
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