Which of the following is a transversion?
A) A to T
B) G to A
C) C to T
D) T to C
A) A to T
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Which of the following statements is NOT true about gamete formation in mammals?
A. In the female, the separation of cytoplasm is unequal during meiosis. B. Only one of the four cells resulting from meiosis goes on to become an oocyte. C. Only one of the four cells resulting from meiosis goes on to become an egg, which becomes a zygote upon fertilization by a sperm cell. D. The polar bodies formed during meiosis in the female can participate in fertilization with sperm. E. The cytoplasm is diminished during development of sperm, and a flagellum is formed to give sperm locomotion.
Which of the following are serious illnesses
associated with normal flora?
a. meningitis b. colon cancer c. brain abscesses d. colitis e. all of these are serious illnesses associated with normal flora
The link between mother and embryo through which nutrition, oxygen, and wastes pass is the
a. chorion. b. placenta. c. amnion. d. yolk sac. e. allantois.
Which of the following should make you the MOST suspicious of a terrorist attack or an incident involving a weapon of mass destruction?
A) You respond to a temple, church, or mosque for a patient who was assaulted. B) You receive a call involving multiple patients with similar signs and symptoms. C) A public building is evacuated when an employee notices the smell of natural gas. D) A government employee presents with an acute onset of a cough and dyspnea.