Which of the following cells or tissues arise from lateral meristem activity?
A) secondary xylem
B) leaves
C) trichomes
D) tubers
A
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Active transport ________.
utilizes energy cannot transport molecules against a concentration gradient cannot be saturated requires cofactors
Nitric oxide has what effect on systemic arterioles?
A) vasoconstriction and vasospasm B) vasospasm C) vasoconstriction D) neither vasodilation or vasoconstriction, but may cause vasospasm E) vasodilation
A mutation that involves the addition, subtraction, or substitution of a single base is known as:
a) an inversion. b) polypoloidy. c) a pickle d) a basic mutation. e) a point mutation.
All animals are ____.
A. multicellular, heterotrophic, and motile B. multicellular, heterotrophic, and have walled cells C. unicellular, autotrophic, and motile D. multicellular, autotrophic, and reproduce sexually E. unicellular, autotrophic, and reproduce asexually