Which is false regarding the GGC gene?
a. It is present in humans, mollusks, and insects.
b. It codes for an enzyme that regulates pattern
formation in cone shells.
c. It is more than 500 million years old.
d. Today the enzyme product of the gene has
different functions in different lineages.
e. None of these are false.
Answer: b
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A. T helper cells. B. macrophages. C. T cytotoxic cells. D. plasma cells.
Asexually produced fungal spores are ______, whereas fungal cells produced sexually, by the fusion of two mating strains, are _______
a. haploid; dikaryons b. haploid; diploid c. diploid; dikaryons d. diploid; haploid e. dikaryons; diploid
Homologous chromosomes undergo synapsis during:a
anaphase I. b. prophase I. c. anaphase II. d. telophase II. e. prophase II.
The selective chemical(s) in the Mannitol Salt Agar is (are):
A. High sodium chloride concentration B. Eosin Y & Methylene blue C. Bile salts only D. Bile salts & brilliant green E. Bile salts & crystal violet