The special type of cell division required to produce gametes is called
A) mitosis.
B) meiosis.
C) maturation.
D) capacitation.
E) fertilization.
B
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The structures in the nucleus that serve as a "mitotic clock" are
A) ribosomes. B) telomeres. C) hormones. D) kinases.
What do sutures, gomphoses, and syndesmoses have in common?
A) These are joints found only in the appendicular skeleton. B) These are all bony joints. C) These are joints found only in the axial skeleton. D) These are all fibrous joints. E) These are cartilaginous joints.
When a muscle fiber contracts, the I bands nearly disappear, the H zones disappear, and the A bands move closer together but do not change in length
Indicate whether the statement is true or false
Which of the following statements concerning the dorsal respiratory group (DRG) is correct?
a. the DRG consists of both inspiratory neurons and expiratory neurons. b. the neurons of the DRG remain inactive during normal quiet breathing. c. the DRG is called into play by the VRG as when demands for ventilation are increased. d. is found within the brainstem e. none of these answers.