Active sites become exposed when calcium ions bind to

A) tropomyosin.
B) actin.
C) myosin.
D) troponin.
E) calcium channels.


D

Anatomy & Physiology

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Which of the following is not a factor that contributes to keeping the articular surfaces of diarthroses in contact?

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Several pharynx muscles are innervated by Cranial Nerve X, the vagus nerve

Indicate whether this statement is true or false.

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Which species has an os penis or small bone in the penis?

What will be an ideal response?

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Hiccups occur when involuntary, spasmodic contractions take place in what muscle?

a. chest muscles b. abdominal muscles c. intercostal muscles d. bronchioles e. diaphragm

Anatomy & Physiology