Which is not an example of a induced mutational mechanism?

A. DNA replication errors
B. Tautomeric shifts of nucleic acid bases
C. Aberrant recombination
D. UV light
E. Transposable elements


D

Biology & Microbiology

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At a given locus, homologous chromosomes have

A. the same genes but can have different alleles. B. the same genes and alleles. C. different genes and alleles. D. different genes, but can have the same alleles.

Biology & Microbiology

Every tissue is defined by the type of

a. organ it is in. b. organ system it is a part of. c. organism that possesses it. d. cells that make it up. e. more than one of these

Biology & Microbiology

In addition to visual comparison, which of the following would be the best way to determine that S. niagarae and S. yellowstonensis are separate species?

a. Look for the presence of chloroplasts b. By the presence of a silica shell c. By their location in different lakes d. Compare their DNA sequences e. Carbon date them

Biology & Microbiology

What inorganic precursors are needed to synthesize proteins?

A) carbon, water, and oxygen B) carbon, water, oxygen, and phosphate C) carbon, water, oxygen, nitrogen, and phosphate D) carbon, water, oxygen, nitrogen, and sulfur E) carbon, water, oxygen, sodium, and phosphate

Biology & Microbiology