When does replication of DNA occur?
a. during the S phase
b. during the G1 phase
c. during the prophase
d. during the G0 phase
Answer: a. during the S phase
Biology & Microbiology
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Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?
A) as a pentose B) as a hexose C) as a monosaccharide D) as a disaccharide E) as a polysaccharide
Biology & Microbiology
Gene flow has a greater effect on large populations than on small populations
a. true b. false
Biology & Microbiology
The source of cyanide as a chemical pollutant is ________
A) wood preservative B) petroleum products C) pulp and paper bleaching D) mining processes E) plastic manufacturing
Biology & Microbiology
What controls the shape of the lens?
A. pupil B. iris C. fovea centralis D. ciliary muscle E. cornea
Biology & Microbiology