Rapid communication throughout the body is accomplished through:

a. neurons
b. blood
c. hormones
d. muscles
e. neuroglia


a

Biology & Microbiology

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Humans produce sounds by controlling the vibration

of vocal cords as air passes through the a. pharynx. b. glottis. c. epiglottis. d. pleura. e. trachea.

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On average, genetic drift will increase the frequency of a deleterious allele.

a. true b. false

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When oxygen is depleted, the citric acid cycle stops. Which of the following would you need to add to the system to restore activity? Indicate all that apply

A. glucose B. NAD+ C. NADH D. FAD E. acetyl-CoA

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Which of the following is TRUE about energy

releasing chemical reactions?

a. they all require ATP to proceed. b. the activation energy required is greater than for energy requiring chemical reactions c. the reactants have more energy than the products d. the reactants have the same amount of energy as the products e. the reactants have less energy than the products

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