The many different breeds of domestic dog were produced by
A) natural selection. B) artificial mutation. C) physical selection. D) artificial selection.
D
You might also like to view...
In order to examine mRNA transcripts isolated from cells, one needs to convert an RNA template to DNA. Doing this conversion requires which of the following enzymes?
A) reverse transcriptase B) reverse convertase C) DNA transcriptase D) DNA polymerase E) RNA polymerase
The disruption of a protein's three-dimensional structure is called
a. condensation. b. hydrolysis. c. ionization. d. oxidation. e. denaturation.
Echinoderms are characterized by bilateral symmetry in adults, a water vascular system, tube feet, and spiny skin.
a. true b. false
A cell that uses an organic carbon source and obtains energy from light would be called a
A) photoheterotroph. B) lithoautotroph. C) photoautotroph. D) chemoheterotroph. E) chemoautotroph.