BIO 192 Exam 2 NAU Practice Questions and
Answers (100% Pass)
3 Traits of Skeletal Muscle - Answer️️ -Striated
Multi Nuclei
Voluntary
3 Traits of Cardiac Muscle - Answer️️ -Striated
Single Nuclei
Involuntary
3 Traits of Smooth Muscle - Answer️️ -Smooth
Single Nuclei
Involuntar...
sarcoplasmic reticulum - Answer✔️✔️-modified ER, stores calcium
sarcoplasm - Answer✔️✔️-cytoplasm of a muscle cell
function of t tubules - Answer✔️✔️-increase surface area on muscle
fiber, passageways for calcium and signals
Neurotransmitter - Answer✔️✔️-a chemical substance that is
released at the end of a nerve floor by arrival of a nerve signal.
diffuses across synapse transferring signal to the muscle
sarcomere - Answer✔️✔️-functional unit of muscle, one z-line to the
next
myosin v actin - Answer✔️✔️-myosin (thick filament) and actin (thin
filament)
excitation-contraction coupling - Answer✔️✔️-1. arrival of nerve
signal
2
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