Which of the following is the correct order?

fascicle, muscle fiber, myofibril, sarcomere, myofilament

muscle fiber, fascicle, sarcomere, myofibril, myofilament

sarcomere, muscle fiber, fascicle, myofibril, myofilament

fascicle, muscle fiber, myofilament, myofibril, sarcomer

A mitochondria's role in muscle contraction is the production of...

Metabolism of Worn out Proteins

Which of the following occurs first in muscle contraction?

Calcium Enters the Sarcoplasm (Cytoplasm) of the muscle cell.

Myosin /Actin Cross bridge shifts to move actin.

Phosphate is released form the myosin globular head

ADP is released form the myosin globular head.

Muscle anatomy

Quiz

•

11th - 12th Grade

•

Practice Problem

•

Medium

Kristen Stow

Used 62+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The functional unit of the muscle cell is the:

Sarcomere

Osteon

Myofilament

Muscle fiber

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The thick filament is composed of:

Myosin

Actin

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The thin filament is composed of:

Myosin

Actin

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill-in-the-blank! Muscle, Fascicle, _____, Myofibril

Muscle fiber

Myofilament

Sarcomere

Actin

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Actin filaments our bound to the edges of the sarcomere, also known as the...

M-Line

H-Zone

Z-Disc

A-Band

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ________ functions in regulation of Ca²⁺ levels.

Sarcoplasmic Reticulum

T Tubules

Mitochondria

Fascicle

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_ and _ are regulatory proteins bound to actin.

Troponin and tropomyosin

Myosin and actin

Calcium and Oxygen

Glycogen and hemoglobin

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Muscle anatomy

40 questions

The functional unit of the muscle cell is the:

The thick filament is composed of:

The thin filament is composed of:

Fill-in-the-blank! Muscle, Fascicle, _____, Myofibril

Actin filaments our bound to the edges of the sarcomere, also known as the...

The ________ functions in regulation of Ca²⁺ levels.

_ and _ are regulatory proteins bound to actin.

Membrane that covers several muscle fibers to form a bundle.

Tough connective tissue sheath that surrounds the entire muscle.

Found within sarcomeres and create the banding pattern.

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Muscle anatomy

40 questions

The functional unit of the muscle cell is the:

The thick filament is composed of:

The thin filament is composed of:

Fill-in-the-blank! Muscle, Fascicle, _____, Myofibril

Actin filaments our bound to the edges of the sarcomere, also known as the...

The ________ functions in regulation of Ca2+ levels.

___ and ___ are regulatory proteins bound to actin.

Membrane that covers several muscle fibers to form a bundle.

Tough connective tissue sheath that surrounds the entire muscle.

Found within sarcomeres and create the banding pattern.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

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The ________ functions in regulation of Ca²⁺ levels.

_ and _ are regulatory proteins bound to actin.