Which of the following methods of genetic recombination is common to both eukaryotic and bacterial cells?
A. Crossing over
B. Vertical gene transfer
C. Gamete fusion
D. All of the choices are correct.
Answer: B
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As ATP moves from the matrix of the mitochondrion to the cytoplasm of a cell, how many membranes will it pass?
A. 1 B. 2 C. 3 D. 4
Robertsonian translocations usually occur between what types of chromosomes?
A. Metacentric B. Acrocentric C. Telocentric D. Submetacentric
Which of the following enabled Homo sapiens to develop complex cultures unlike other members of the Homo genus?
A. the ability to walk upright B. the development of agriculture C. the ability to migrate out of Africa D. changes in skin color E. the ability to use stone tools
If a person steps on a tack their somatic system will take over and produce a reflex action. A reflex action
A. has no protective value. B. does not require the central nervous system. C. is an automatic, involuntary response. D. is normally controlled consciously. E. is only found in humans.