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POP QUIZ #8

Authored by Amy Kemper

Biology

12th Grade

Used 4+ times

POP QUIZ #8
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is more true to cause muscle contraction?

Actin Pulls on the myosin
Myosin Pulls on the Titin
Myosin Pulls on Actin
Actin Pulls on Titin

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calcium's purpose in muscle contraction is to

cross the neuromuscular junction and stimulate the sarcolemma

travel down the T-tubule to reach interior myofibrils

bind to troponin, move tropomyosin, and expose actin's binding sites

attach to actin, forming a crossbridge

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Muscle contraction is stimulated when this specific neurotransmitter is released into the synaptic cleft. What is the name of this neurotransmitter?

Neurotensin

Acetylcholine

Cholecystokinin

Norepinephrine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A synapse between a motor neuron and a muscle fiber that it regulates.

Synaptic cleft

Motor end plate

Neuromuscular junction

Synaptic vesicle

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

____________ attaches to actin to form the cross bridge.

Troponin

Tropomyosin

Myosin

Calcium

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Muscle Fiber Membrane

Sarcolemma

Sarcoplasm

Sarcoplasmic Reticulum

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

separates and surrounds fascicles

EPIMYSIUM

PERIMYSIUM

ENDOMYSIUM

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