Microscopic Anatomy of Skeletal Muscle

Which type of muscle tissue is both voluntary and striated?

• Skeletal

• Cardiac

• Smooth

• Connective

Which of the following correctly lists the structures from largest to smallest

• Myofibril, Myofilament, Myofiber, Fascicle

• Fascicle, Myofibril, Myofiber, Myofilament

• Muscle, Myofiber, Fascicle, Myofibril

• Fascicle, Myofiber, Myofibril, Myofilament

Tags

NGSS.HS-LS1-2

The basic contractile unit of skeletal muscle

• Sarcomere

• Muscle fiber

• Myofilament

• A-Band

Z-Disc

• 27

• 28

• 29

• 30

This protein comprises the thick filament

• Actin

• Troponin

• Myosin

• Tropomyosin

Connective tissue membrane that covers the entire muscle

• Epimysium

• Endomysium

• Perimysium

• Sarcolemma

Network of calcium containing tubes surrounding each muscle fiber

• Sarcolemma

• Sarcoplasmic reticulum

• Myofilament

• Transverse tubules

A-Band

• 27

• 28

• 29

• 30

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

A bundle of muscle fibers

• Myofilament

• Fibril

• Muscle

• Fascicle

Tags

NGSS.HS-LS1-2

Plasma membrane of a muscle cell

• Sarcoplasmic reticulum

• Sarcoplasm

• Endomysium

• Sarcolemma