Which type of mutation will have the most impact from an evolutionary point of view?
A) a mutation in a somatic cell B) a mutation in a brain cell
C) a mutation in a liver cell D) a mutation in a germ-line cell
Answer: D
You might also like to view...
Consider the global nitrogen cycle depicted in the figure above. How are humans altering this cycle?
A) industrial nitrogen fixation B) nitrogen lost to the atmosphere C) reduction of nitrogen available to terrestrial ecosystems D) reduction of nitrogen fixation by bacteria E) permanent burial of nitrogen in coastal environments through runoff
Which viral life cycle would result in a quicker death for an infected cell?
A. The prophage cycle B. The retroviral cycle C. The lysogenic cycle D. The lytic cycle
The bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the:a
endodermis. b. pericycle. c. epidermis. d. cortex. e. periderm.
How did humans colonize the New World?
A. Christopher Columbus and a host of other explorers were the first to colonize the Americas. B. Humans drifted across the Atlantic on primitive canoes. C. Early humans walked across a land bridge during periods of lowered sea level. D. Humans were present during the break-up of Gondwana.