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Biology Unit 3 Muscles > Muscle Fibers > Flashcards

Muscle Fibers Flashcards

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1
Q

Myoglobin

A

Oxygen binding pigment (stores oxygen for use during muscle contraction)

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2
Q

Sarcolemma

A

Membrane of a muscle fiber( like a cell membrane)

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3
Q

Sarcoplasm

A

Cytoplasm of the muscle cells

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4
Q

Sarcoplasmic reticulum

A

Smooth ER in a muscle fibre (Stores the calcium ions needed for muscle contraction)

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5
Q

Myofibre

A

Organized bundle of myofilaments

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6
Q

Myofilaments

A

Contain protein filaments that are responsible for muscle contractions

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7
Q

Thick filaments vs thin filaments

A

Thick- myosin
Thin- actin

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Biology Unit 3 Muscles (6 decks)

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