Which of the following is NOT one of the plant
growth regulators?
a. salicylic acid
b. systemin
c. brassinosteroids
d. mineralocorticoids
e. jasmonates
Answer: d
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Sexual dimorphism is most often associated with what type of mating system?
A. Promiscuous B. Monogamous C. Polygynous D. Polyandrous
We are sending a small number of dogs to colonize a new planet. Through a random selection process,
we end up only with dachshunds and chihuahuas. The subsequent colony of dogs are all small with short legs. This is an example of
a. adaptive radiation. b. punctuated equilibrium. c. genetic drift. d. microevolution. e. mutation.
A protein channel linking the cytoplasms of adjacent animals cells is called a(n)_ junction.
A. anchoring B. gap C. tight D. adhering E. microtubular
A structure that thickens the uterine
endometrial lining in preparation for pregnancy is indicated by a. A. b. B. c. C. d. D. e. E.