Skeletal Muscle and Motor Unit Structure

Skeletal Muscle and Motor Unit Structure

Assessment

Assessment

Created by

Lori Dabbs

Biology

10th - 12th Grade

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20 questions

Show answers

1.

Multiple Choice

30 sec

1 pt

Which myofilament makes up the THIN filaments of muscle cells?

actin

myosin

connectin

hemoglobin

2.

Multiple Choice

30 sec

1 pt

The THICK filaments found in a muscle cell are called

actin

myosin

3.

Multiple Choice

30 sec

1 pt

The area of interconnecting actin molecules is called the

I zone

Z line

M line

A band

4.

Multiple Choice

30 sec

1 pt

The neurotransmitter that signals muscle contraction is called...

Acetylcholine

Myosin

Actin

Calcium

5.

Multiple Choice

30 sec

1 pt

Region where a motor neuron comes in close contact with a muscle cell.

neurotransmitter

muscular dystrophy

muscle tension

neuromuscular junction

6.

Multiple Choice

30 sec

1 pt

The functional unit of the muscle cell is the: 

Sarcomere

Osteon

Myofilament

Muscle fiber

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