Active sites on the actin become available for binding after

A) actin binds to troponin
B) myosin binds to troponin
C) calcium binds to troponin
D) troponin binds to tropomyosin
E) calcium binds to tropomyosin


C) calcium binds to troponin

Anatomy & Physiology

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Each testis is wrapped in a dense fibrous capsule called the

A) rete testes. B) tunica albuginea. C) septa. D) ductus deferens. E) dartos muscle.

Anatomy & Physiology

The motor cortex is activated by a widespread pattern of neuronal discharge, called the ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Explain how the structure of the alveoli facilitate their function in gas exchange.

What will be an ideal response?

Anatomy & Physiology

The substantia nigra interconnects with the ________.

A. red nuclei B. tectum C. basal nuclei D. tegmentum E. reticular nuclei

Anatomy & Physiology