Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 8SQ
Which of the following statements is not correct?
- a.
Metabolic pathways build or break down the organic molecules of life. - b. All metabolic pathways generate heat
- c. Electron transfer chains are important sites of energy exchange in many metabolic pathways.
- d. All metabolic pathways require ATP.
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Which of the following metabolic pathways do most (anaerobic and aerobic) life forms have?
Select one:
a. glycolysis
b. oxidative phosphorylation as part of cellular respiration
c. the Kreb's cycle (citric acid cycle)
d. photosynthesis
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.
Which of the following is true of metabolism?
A. Degradative reactions require an input of energy.
B. Synthetic pathways are anabolic.
C. Catabolism and anabolism are linked by O2.
D. Catabolic reactions require the breakdown of ATP, and anabolic reactions generate ATP.
Chapter 5 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - ______ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Which of the following statements is not correct?...Ch. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...
Ch. 5 - Prob. 11SQCh. 5 - Prob. 12SQCh. 5 - Prob. 13SQCh. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Prob. 15SQCh. 5 - Prob. 16SQCh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- Which of the following statements concerning metabolism and metabolic reactions is CORRECT? A. Anabolism and catabolism are two terms with the same meaning B. Some, but not all, metabolic reactions involve catabolism C. Energy is a by-product of all metabolic reactions D. No correct responsearrow_forwardWhich of the following statements is/are true regarding ATP?a. It is the body’s primary source of chemical energy.b. Its production is the main reason humans breathe oxygen.c. It is produced through the oxidation of molecular fuels like glucose.d. All of the above statements are true.arrow_forwardWhich of the following statements correctly describes the difference between ATP used in metabolism and the nucleotides used as a building block during DNA synthesis? Group of answer choices A. The nucleotides have the sugar deoxyribose; ATP has the sugar ribose. B. The nucleotides have two phosphate groups; ATP has three phosphate groups. C. ATP contains three high-energy bonds; the nucleotides have two. D. ATP is found only in human cells; the nucleotides are found in all animal and plant cells.arrow_forward
- Which of the following statements best explains the general process of cellular respiration? A. Living organisms use energy from the sun and water to create food in the form of sugar. B. Living organisms take in oxygen and water to create food in the form of sugars and energy. C. Living organisms breakdown sugar from food to combine with oxygen making usable energy. D. Living organisms take in oxygen and release carbon dioxide through the cells thereby providing energy. 2.arrow_forwardChemotrophic energy metabolism is a catabolic and exergonic process that produces ATP from oxidizing molecules. Which among the following is not an energy source of chemotrophic energy metabolism? A. Iron B. Photons C. Carbohydrates D. Proteinsarrow_forwardWhich of these statements about ATP is true?a.The bond joining ADP and the third phosphate is a high-energy bond.b.The formation of ATP is coupled to energy-liberating reactions.c.The conversion of ATP to ADP and Pi provides energy for biosynthesis, cell movement, and other cellular processes that require energy.d.ATP is the “universal energy carrier” of cells.e. .All of these are true.arrow_forward
- How could you use the diversity of metabolic pathways that produce the same or similar products to critique this argument? Rank the steps from first to last. a. New enzymes cause modification of the pathway in an advantageous way. b. The biochemical pathway is gradually modified. c. A pathway exists and accomplishes some functions. d. An organism with cellular enzymes has mutations that allow new enzymes to arise.arrow_forwardWhat distinguishes a linear metabolic pathway from a cyclic metabolic pathway? A. The last step of the pathway regenerates a reactant for the first step. B. The product inhibits an enzyme in the pathway, slowing or stopping the metabolic pathway. C. A linear pathway runs straight in one direction from reactant to product. D. Enzymes convert reactants into intermediates before separate enzymes convert intermediates into products.arrow_forwardWhich of the following statement is INCORRECT about metabolism? A. is the sum of all chemical reactions in a cell B. involves the flow of energy and rearrangement of atoms C. anabolism breaks down large molecule to small molecule D. catabolism generates energy via oxidative processesarrow_forward
- Which of the following metabolic pathways is common in aerobic and anaerobic metabolism. a. the citric acid cycle b.glycolysis c.electron transport chain d. oxidative phosphorylationarrow_forwardWhich of the following statements concerning metabolic pathways is INCORRECT? a. Metabolic pathways always involve a series of consecutive reactions b. All cyclic metabolic pathways regenerate the starting material for the pathway c. All linear metabolic pathways generate a final product D. No correct responsearrow_forwardThe complete catabolism of one molecule of C6H12O6 into carbon dioxide and water produces a larger amount of ATP in aerobic prokaryotes than it does in aerobic eukaryotes because aerobic prokaryotes: A. always produce ethanol rather than lactic acid as a byproduct B. generate more molecules of NADH during aerobic respiration C. have no transport costs to get NADH into mitochondria D. generate more molecules of FADH2 during aerobic respiration E. are able to use pyruvate as a substrate for fermentationarrow_forward
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