BIO 192 Exam 2 NAU Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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Module
BIO 192 NAU
Institution
BIO 192 NAU
What type of muscle fiber fiber has the most mitcochondria - type 1, slow-oxidative, slow
what muscle fiber type is the least efficient - type IIb, fast-oxidative glycolytic, fast
which muscle fiber type has mixed metabolism - type IIa, fast glycolytic, intermediate
3 Traits of Skeletal Muscle -...
BIO 192 Exam 2 NAU
What type of muscle fiber fiber has the most mitcochondria - type 1, slow-oxidative, slow
what muscle fiber type is the least efficient - type IIb, fast-oxidative glycolytic, fast
which muscle fiber type has mixed metabolism - type IIa, fast glycolytic, intermediate
3 Traits of Skeletal Muscle - Striated
Multi Nuclei
Voluntary
3 Traits of Cardiac Muscle - Striated
Single Nuclei
Involuntary
3 Traits of Smooth Muscle - Smooth
Single Nuclei
Involuntary
What are the 2 main branches of the nervous system - central nervous system and peripheral
nervous system
What does the CNS include - Brain and spinal cord
What does the PNS include - afferent (sensory) and efferent (motor)
Efferent expands to - Autonomic - cardiac and smooth
, Somatic - skeletal
Connects bone to muscle - Tendon
Epimysium - connective tissue around whole muscle
Perimysium - Connective tissue surrounding a fascicle
endomysium - Connective tissue surrounding a muscle fiber
fascicle - bundle of muscle fibers
myofibrils - make up muscle fibers
sarcolemma - muscle cell plasma membrane
sarcoplasmic reticulum - modified ER, stores calcium
sarcoplasm - cytoplasm of a muscle cell
function of t tubules - increase surface area on muscle fiber, passageways for calcium and signals
Neurotransmitter - 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 - functional unit of muscle, one z-line to the next
myosin v actin - myosin (thick filament) and actin (thin filament)
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