Fertilization typically occurs in which part of the fallopian tube?
A. Infundibulum
B. Cilium
C. Fimbria
D. Crus
A. Infundibulum
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Which class of nucleic acid delivers amino acids to ribosomes?
A) mRNA B) tRNA C) rRNA D) DNA
Cope's rule, that animals tend to increase in size over evolutionary time, is a(n)
A. driven trend, because natural selection always favors larger animals. B. active trend, because there is a persistent bias against smaller animals. C. passive trend, because there is a minimum size under which animals cannot function, but increased variance in size moves the mean and maximum upward. D. case of saltation, because increases in size occur by great jumps. E. example of phylogenetic niche conservatism, because ecological niches favor the large.
If you could stop diffusion of substances in fruit fly zygotes, could you stop normal development? Why or why not?
What will be an ideal response?
The most common leukocyte in the blood is
a. a lymphocyte. b. an eosinophil. c. a basophil. d. a neutrophil.