Oxygen consumption can be used as a measure of metabolic rate because oxygen is

A. necessary for ATP synthesis by oxidative phosphorylation
B. necessary to replenish glycogen levels
C. necessary for fermentation to take place
D. required by all living organisms
E. required to break down the ethanol that is produced in muscles


Ans: A. necessary for ATP synthesis by oxidative phosphorylation

Biology & Microbiology

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Which of the following statements is true regarding polyploidy in plants?

A. Autopolyploids are thought to be derived from plants of the same species. B. Allopolyploids are thought to be derived from plants of the same species. C. Polyploidy is more likely to be seen in mammals than plants. D. Hybridization events between plants cannot result in an alteration of chromosomal number.

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The inhibitory affects of exposure to far-red light are permanent

A. true B. false

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Plants do not grow well in soils with a lot of clay

because these soils a. hold onto and do not release water easily. b. are deficient in plant micronutrients and macronutrients. c. tend to absorb too much surface water. d. tend to become compacted and exclude air. e. do none of these.

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Chondrichthyes includes

A) whales. B) all fishes. C) lampreys. D) frogs. E) sharks.

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