Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 4TYU
Which of the following statements is a correct distinction between autotrophs and heterotrophs?
- A. Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and Other nutrients that are inorganic.
- B. Only heterotrophs require chemical compounds from the environment.
- C.
Cellular respiration is unique to heterotrophs. - D. Only heterotrophs have mitochondria.
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When making bread with common yeast, the reaction starts as an aerobic process and then becomes an anaerobic process after the oxygen is spent. A baker has created a new strain of yeast which contains no cytochrome c gene and, thus, no cytochrome c protein. This will affect what the yeast strain can do to obtain energy.
What will this yeast strain do more of, compared to a normal strain?
A.
electron transport
B.
carbon dioxide production
C.
fermentation
D.
ATP synthesis
Which of the following statements is TRUE?
Select one:
A. Lactic acid is a product of aerobic respiration; ethyl alcohol is a product of fermentation.
B. Oxidation is the loss of electrons; reduction is the gain of electrons.
C. Oxygen is a product of cellular respiration; carbon dioxide is a product of photosynthesis.
D. Glucose is a product of aerobic respiration; lactic acid is a product of anaerobic respiration.
The green sulfur bacteria, using sunlight as an energy source for photosystem I, are unable to split water molecules to release O2, but they are able to release which inorganic product molecule?
A. hydrogen sulfide
B. glucose
C. elemental sulfur
D. oxygen
E. carbon dioxide
Chapter 8 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 8.1 - How do the reactant molecules of photosynthesis...Ch. 8.1 - How did the use of an oxygen isotope help...Ch. 8.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 8.2 - What color of light is least effective in driving...Ch. 8.2 - In the light reactions, what is the initial...Ch. 8.2 - Prob. 3CCCh. 8.3 - MAKE CONNECTIONS How are the large numbers of ATP...Ch. 8.3 - WHAT IF? Explain why a poison that inhibits an...Ch. 8.3 - Prob. 3CCCh. 8 - The light reactions of photosynthesis supply the...
Ch. 8 - Which of the following sequences correctly...Ch. 8 - How is photosynthesis similar in C4, plants and...Ch. 8 - Which of the following statements is a correct...Ch. 8 - Which of the following does not occur during the...Ch. 8 - In mechanism, photophosphorylation is most similar...Ch. 8 - Prob. 7TYUCh. 8 - To synthesize one glucose molecule, the Calvin...Ch. 8 - SCIENCE, TECHNOLOGY, AND SOCIETY Scientific...Ch. 8 - DRAW IT The following diagram represents an...Ch. 8 - Prob. 11TYUCh. 8 - Prob. 12TYUCh. 8 - FOCUS ON ENERGY AND MATIER Life is solar powered....Ch. 8 - SYNTHESIZE YOUR KNOWLEDGE Watermelon snow in...
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- Which of the following is the most likely explanation for a situation where the ELECTRON TRANSPORT CHAIN (ETC) does not produce ATP in the presence of oxygen. a. A toxin has disrupted the Krebs Cycle b. A toxin has altered a protein in the ETC c. Too much NADH has been produced in the Krebs Cycle d. Too much NADH has been produced in Glycolysisarrow_forwardWhich of the below is required for photosynthesis? a. Carbon dioxide b. Oxygen c. Simple sugarsarrow_forwardWhat fundamental structure organization allows both chloroplasts and mitochondria to establish a chemiosmotic gradient? a. Phospholipid bilayer b. Double membrane c. Electron transport chain d. Cytochrome complexarrow_forward
- Which of the following serves as an important energy carrier in cells? A. RNA B. DNA C. ATParrow_forwardA shortage of available ATP would hinder a cell's ability to import Select one: a. water. b. oxygen. c. protein. d. carbon dioxide.arrow_forwardIn an anaerobic environment, facultative anaerobes use what kind of pathway to produce ATP? A.Krebs cycle and fermentation b.Glycolysis and fermentation c.Photosynthesis and the Calvin Benson cycle d. Krebs cycle and oxidative phosphorylation Why is free oxygen toxic to obligate anaerobes? A.They produce catalase and superoxide dismutase. B.They use fermentation pathways rather than oxidative phosphorylation to produce ATP. C.They do not produce the right enzymes to degrade oxygen radicals. D.They cannot use oxygen as the final electron acceptor in respiration. You are subculturing an obligate anaerobe from a tube of thioglycolate media. How far down do you dip the inoculating loop to retrieve the bacteria? A.All the way to the bottom of the media. B.Just into the top of the media C.Anywhere in the media is fine. D.Into the middle of the mediaarrow_forward
- Which of the following statements is correct? a. Glycolysis and Krebs cycle produce ATP in substrate level phosphorylation b. Glycolysis and Krebs cycle produce ATP in oxidative level phosphorylation. c. Glycolysis and pyruvate oxidation produce ATP in substrate level phosphorylation. d. Glycolysis and pyruvate oxidation produce ATP in oxidative level phosphorylation.arrow_forwardSince the air bubbles in bread are generated by yeast, how will the spaces in this bread compare to those in a loaf made using normal yeast? A. more bubbles B. differently-shaped bubbles C. smaller bubbles D. bubbles more on the interior of the loafarrow_forwardThe processes of photosynthesis and cellular respiration are complementary. During these energy conversions, some energy is A. lost in the form of heat. B. used to create light. C. saved in the chemical bonds of water, CO2, and O2. D. destroyed when the chemical bonds of glucose are made.arrow_forward
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