After wearing a watch for a period of time you are no longer as aware of its presence on your wrist. This is an example of:
A. lateral inhibition.
B. adaptation.
C. temporal summation.
D. desensitization.
B
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____ occurs within a single plant, while ____ occurs between two plants
a. A dihybrid cross; a monohybrid cross b. Epistasis; polygenic inheritance c. A testcross; cross-pollination d. Self-pollination; cross-pollination e. A dihybrid cross; self-pollination
One function of the developing follicle is to:
a. stimulate ovulation. b. secrete progesterone. c. secrete estrogens. d. secrete prolactin. e. secrete glycoproteins, which promote sperm motility.
What is meant by “redundancy” in gene expression?
(A) all tRNA molecules can carry more than one amino acid (B) each amino acid can have more than one codon (C) one codon can code for more than one amino acid incorrect (D) mRNA is copied twice in the nucleus (E) none of these are true
The process by which haploid cells are produced from diploid cells is called
A. meiosis. B. sexual reproduction. C. reduction. D. mitosis. E. fertilization.