Which pattern of selection will favor individuals that are on opposite ends of the trait spectrum?
a. Natural
b. Mutation
c. Directional
d. Disruptive
e. Stabilizing
d
Biology & Microbiology
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The enzyme that directly converts NADP+ to NADPH is
A. ferredoxin. B. NADP reductase. C. plastocyanin. D. RUBISCO. E. cytochrome complex.
Biology & Microbiology
A major distinguishing feature between monocot and eudicot stems is the organization of the
A. epidermis. B. conducting system. C. vascular tissue. D. secondary tissues. E. ground tissues.
Biology & Microbiology
HIV-infected blood may be present on all of the following EXCEPT
a. toothbrushes. b. razors. c. needles used to inject drugs. d. contaminated medical equipment. e. toilet seats.
Biology & Microbiology
Which of the following is an actively dividing tissue in plants?
A. Cambium B. Xylem C. Endodermis D. Phloem E. Pith
Biology & Microbiology