Sperm cells are produced in the ________.
A. seminiferous tubules
B. rete testis
C. vas deferens
D. efferent ductules
Answer: A
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Before a cell divides, its DNA must be replicated to
A) provide a backup copy of DNA in case the original DNA is damaged during mitosis. B) replace the DNA lost during transcription. C) supply each new cell with a full set of the genetic material. D) replace genetic instructions used by the original cell. E) use as an energy source during cytokinesis.
The effect that a neurotransmitter has on the postsynaptic membrane depends on the
A) frequency of neurotransmitter release. B) nature of the neurotransmitter. C) characteristics of the receptors. D) quantity of neurotransmitters released. E) All of the answers are correct.
Hyp/o- means "above normal."
Answer the following statement true (T) or false (F)
Which of the following is a sesamoid bone?
A. Tarsal B. Patella C. Metatarsal D. Tibia E. Fibula