Which of the following is so small, it is visible only with an electron microscope?
A) Mitochondrion B) Prokaryotic cell C) Eukaryotic cell D) DNA
D
Biology & Microbiology
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Assume that the mutation rate for a given gene is 5 × 10?6 mutations per generation. For that gene, how many mutations would be expected if 10 million sperm are examined?
A) none B) 5 × 10?6 C) 5 D) 50 E) 500
Biology & Microbiology
New alleles arise by
a. mutation. b. migration. c. genetic drift. d. random mating. e. independent assortment.
Biology & Microbiology
Insulin is produced by alpha cells.
a. true b. false
Biology & Microbiology
Two different nucleic acids can ________ by uniting at their complementary sites.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology