Each skeletal muscle fiber is controlled by a neuron at a single
A) Synaptic knob.
B) Sarcomere.
C) Neuromuscular junction.
D) Synaptic cleft.
E) Transverse tubule
C) Neuromuscular junction.
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Which of the following structures is composed of a theca folliculi, granulosa cells, a zona pellucida, and a secondary oocyte?
A. Primary follicle B. Tertiary follicle C. Corpus albicans D. Secondary follicle E. Corpus luteum
Select all that are examples of how autonomic reflexes help maintain homeostasis.A) Decreasing blood pressureB) Emptying of the bladderC) Initiating defecationD) Preventing overstretching of skeletal muscles
What will be an ideal response?
If an albino (aa) mates with a person homozygous for normal pigment (AA),
A. there is a 100% probability that the child will have albinism. B. there is a 50% probability that the child will have albinism. C. there is a 100% probability that the child will have normal pigmentation. D. there is a 50% probability that the child will have normal pigmentation.
A mutation occurs that prevents the formation of intercalated disks. Which of the following muscular structures will be directly affected?
A. The heart B. The stomach and intestines C. The tongue D. The legs