Which greenhouse gas also destroys the ozone layer?

a. chlorofluorocarbons
b. carbon dioxide
c. nitrous oxide
d. methane
e. oxygen


A

Biology & Microbiology

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____________________ Indicate whether the statement is true or false.

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Based on the same graph, transport of substances B and C

A) exhibits saturation kinetics. B) involves transporter proteins. C) is not directly dependent on the B and C permeability coefficients. D) is likely faster than simple diffusion. E) All of the above are correct.

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In plants, chloroplasts function as the site of cellular respiration.

a. true b. false

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During the G2 phase of the cell cycle, most of the cell's activity is directed toward

a. DNA replication. b. membrane synthesis. c. resting for the next step. d. sorting the chromosomes. e. making the proteins that drive mitosis.

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