The presence of a synaptic cleft between cells is characteristic of:
A) chemical synapse. B) electrical synapse.
C) both chemical and electrical synapses. D) neither chemical nor electrical synapses.
Answer: A
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A place where two or more bones come together is a/an ________.
A. cavity B. contusion C. joint D. articulation E. Both "joint" and "articulation" are correct.
Chromosomal anomalies generally occur due to errors during:
A) mitosis B) meiosis C) mylosis D) none of the above
With what portion of the brain is the pituitary associated?
A. Thalamus B. Cerebrum C. Cerebellum D. Hypothalamus
What is the relationship between myelin and the propagation speed of action potentials?
A) The presence of myelin slows the propagation speed of action potentials. B) The presence of myelin speeds up the graded depolarization but does not affect the propagation speed of action potentials. C) The presence of myelin increases the propagation speed of action potentials. D) The presence of myelin does not affect the speed of action potentials. E) The presence of myelin blocks the propagation of action potentials.