The typical human male has
A. 22 pairs of chromosomes.
B. 22 pairs of chromosomes and two Y chromosomes.
C. 22 pairs of chromosomes and one X and one Y chromosome.
D. 23 X or 23 Y chromosomes.
C. 22 pairs of chromosomes and one X and one Y chromosome.
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One example of an electron acceptor that can be used in anaerobic respiration is
A) NADH. B) water. C) nitrate. D) FMN.
Which statement is not true about conifers?
(a) Conifers are gymnosperms. (b) All conifers belong to the genus Pinus. (c) All conifers have naked seeds. (d) Conifers are heterosporous.
The _________ is stimulated by releasing factors from the _________ that are transported in the bloodstream
A. anterior pituitary gland; hypothalamus B. posterior pituitary gland; hypothalamus C. anterior pituitary gland; posterior pituitary gland D. posterior pituitary gland; anterior pituitary gland E. hypothalamus; posterior pituitary gland
A declining population is indicated by
a. A. b. B. c. C. d. D. e. none of these.