What is the elongated extension of a neuron that nerve impulses travel along?
A. Synapse
B. Axon
C. Dendrite
D. Cell body
E. Oligodendrocyte
Answer: B
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The intentional or threatened use of viruses, bacteria, fungi, or toxins from living organisms to produce death or disease in humans, animals, and plants is known as
A. zoonosis. B. chemical warfare. C. bioterrorism. D. All of the choices are correct.
Destruction of the corpus luteum results from a
__________ levels if pregnancy does NOT occur. a. decline in chorionic gonadotropin b. decline in LH c. surge in progesterone d. spike in LH e. spike in estrogen
A cladist would attempt to classify organisms into __________ taxa
a. paraphyletic b. polyphyletic c. derived d. phenotypic e. monophyletic
A recessive allele on the X chromosome is responsible for red-green color blindness in humans. A woman with normal vision whose father is color-blind marries a color-blind male. What is the probability that a son of this couple will be color-blind?
A) 0 B) 1/4 C) 1/2 D) 3/4 E) 1