An assumption for the use of molecular clocks is that neutral mutations accumulate at a rapidly increasing rate over time between two species.
Answer the following statement true (T) or false (F)
False
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The viral oncogene associated with the Rous sarcoma virus is
A) RAS. B) p53. C) ERBB-2. D) SIS. E) SRC.
Researchers can cut DNA at specific base sequences using ________
a. DNA ligase b. restriction endonucleases c. cloning vectors d. probes
Biological magnification refers to the
a. increase in size of animals as they progress through a food chain. b. increase in size of organisms as they progress through ecological succession. c. increase in the efficiency of energy utilization as organisms progress through a food chain. d. accumulation of toxic pollutants as animals pass through a food chain. e. growth of organ size within organisms.
Which of the following organisms does NOT reproduce its cells by mitosis and cytokinesis?
A) A cockroach B) A cow C) A bacterium D) A mushroom E) A banana tree