During skeletal muscle contraction, to what do myosin heads bind?
A) myosin filaments
B) actin filaments
C) Z discs
D) thick filaments
E) the H zone
B
Anatomy & Physiology
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Binding of ____________________ to nicotinic receptors is always excitatory
Fill in the blank(s) with correct word
Anatomy & Physiology
The tapered, conical inferior end of the spinal cord is called the conus
A. caudalis. B. finalis. C. equine. D. sacralis. E. medullaris.
Anatomy & Physiology
Local hyperpolarization in a synapse is called a(an)
A. excitatory postsynaptic potential. B. resting membrane potential. C. inhibitory postsynaptic potential. D. gap junction potential. E. action potential.
Anatomy & Physiology
The sarcolemma of a resting muscle fiber is most permeable to ________
A) potassium B) sodium C) lithium D) magnesium E) calcium
Anatomy & Physiology