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Reading Quiz

This activity contains 25 questions.

Question 1
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Marathon runners have mostly slow-twitch muscle fibers, whereas sprinters have mostly fast-twitch fibers; their muscle fibers perform differently because __________.
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Question 2
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_____ is a chemical process that uses light energy from the sun to build organic molecules.
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Question 3
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Which of the following is an autotroph?
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Question 4
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Because plants are involved in photosynthesis, they are called _____.
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Question 5
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The chemical ingredients needed for photosynthesis are _____ and _____.
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Question 6
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_____ is used as food and _____ is produced as a waste in the overall process of cellular respiration.
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Question 7
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The main function of cellular respiration is __________.
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Question 8
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Aerobic metabolism always requires _____.
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Question 9
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Which of the following describes cellular respiration?
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Question 10
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An important end product of cellular respiration is _____.
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Question 11
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Which of the following is oxidized during cellular respiration?
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Question 12
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In redox reactions, electrons need to be shuttled from one molecule to another. Which of the following statements is true?
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Question 13
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Where in a cell does glycolysis occur?
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Question 14
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The net gain of ATP for each glucose molecule that enters glycolysis, in the absence of oxygen, is approximately __________.
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Question 15
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Which of the following "escorts" acetic acid produced from pyruvic acid into the first reaction of the citric acid cycle?
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Question 16
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A glucose molecule is completely broken down in glycolysis and the citric acid cycle, but these two processes yield only a few ATPs. Where is the rest of the energy that the cell can obtain from the glucose molecule?
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Question 17
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In eukaryotes, the electron transport chain is a series of electron carrier molecules embedded in which organelle?
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Question 18
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The electrons removed from glucose in cellular respiration end up in _____.
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Question 19
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Most of the ATP produced during cellular respiration occurs __________.
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Question 20
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Organisms that are poisoned by oxygen and must live in very low oxygen regions are called _____.
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Question 21
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Chemical reactions that require oxygen are called _____ while those that do not require oxygen are considered _____.
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Question 22
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What is the name of the process in which pyruvic acid is converted to lactic acid?
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Question 23
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Which of the following would challenge A. V. Hill's conclusions about the effect of lactic acid on muscle fatigue?
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Question 24
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Which of the following is a group of organisms that thrive in an anaerobic environment?
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Question 25
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Which one of the following is considered the oldest mechanism to generate ATP?
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