Which of the following has the largest and most numerous mitochondria?
A. Cardiac muscle
B. Fast glycolytic fibers
C. Intermediate fibers
D. Slow oxidative fibers
E. Smooth muscle
Answer: A
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Indicate whether the statement is true or false
In reuptake
A) a neuropeptide breaks down into amino acids, which act as neurotransmitters. B) an action potential reverses direction. C) a neurotransmitter that has already been released into the synaptic cleft is taken back into the synaptic knob of the presynaptic neuron or into nearby neuroglia or neurons. D) an enzyme breaks down a neurotransmitter and then another enzyme builds it back up.
Which glands of the female are homologous to the bulbourethral glands of the male?
A. Paraurethral B. Cervical C. Greater vestibular D. Areolar E. Lesser vestibular
Puberty is initiated when a region of the brain begins secreting
A. follicle-stimulating hormone. B. gonadotropin-releasing hormone. C. luteinizing hormone. D. estrogen or testosterone. E. androgens.