Troponin
A. has two subunits.
B. is part of the myosin myofilament.
C. is a long, flexible protein.
D. has a calcium-binding site.
E. binds to ATP.
D
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What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration?
A. Pontine respiratory center B. Ventral respiratory group C. Dorsal respiratory group D. Phrenic nucleus
The largest structural unit of the body is:
a. an organ system b. an organ c. tissue d. cells
Bronchial asthma is usually caused by
A) coalescing alveoli. B) paralysis of breathing muscles. C) an injury to the respiratory areas. D) an allergy.
A joint with mechanical advantage greater than 1.0 has increased speed.
Answer the following statement true (T) or false (F)