It contains cholinergic neurons?
A. True only for the sympathetic division
B. True only for the parasympathetic division
C. True for both divisions
Answer: C. True for both divisions
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Fatty acids are metabolized by the ________ pathway.
A. delta-oxidation B. beta-oxidation C. alpha-oxidation D. gamma-oxidation
In bryophytes:
A. the diploid gametophyte produces haploid spores by meiosis. B. the haploid gametophyte produces diploid spores by fertilization. C. the male gametes require water to reach the female gametes. D. the male gametes are dispersed by wind. E. the sporophyte produces spores by mitosis.
Matings between two species that produce embryos that fail to develop are evidence of:
a. hybrid sterility b. hybrid breakdown. c. hybrid inviability. d. ecological barriers e. prezygotic isolation.
If the product of a functional gene is not a protein, what other product(s) might be encoded by the gene?
A. tRNA and rRNA B. mRNA, tRNA, and RNA C. tRNA and mRNA D. mRNA and rRNA