The most abundant protein on earth is ________.

A. chlorophyll
B. NADPH
C. cellulose
D. rubisco
E. ATPase


Answer: D

Biology & Microbiology

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Nitrogen is made available to plants for their use by the process(es) of

a. ammonification only. b. nitrification only. c. nitrogen fixation only. d. ammonification and nitrification only. e. ammonification, nitrification, and nitrogen fixation.

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Only in judging human behaviors does the concept of

__________ supplant adaptation. a. self-sacrifice b. altruism c. judgment d. morality e. indirect selection

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Which of the following would you expect to find predominating in the plasma membrane of a unicellular eukaryotic organism thriving in glacier ice?

A) 20 carbon long saturated fatty acids. B) 18 carbon long saturated fatty acids. C) 20 carbon long fatty acids with 1 double bond. D) 18 carbon long fatty acids with 1 double bond. E) 16 carbon long fatty acids with 3 double bonds

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Which of the following tissues transports water and nutrients within the plant?

A. meristematic tissue B. epidermal tissue C. ground tissue D. vascular tissue

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