Muscle Physiology

The sarcomere shortens during a muscle contraction

• True

• False

Acetylcholinesterase is a neurotransmitter that stimulates skeletal muscle cells.

• True

• False

Pushing against an immovable wall is an example of an isotonic contraction.

• True

• False

The ability of a muscle to recoil and resume resting length after stretching is _____.

• Contractility

• Extensibility

• Elasticity

• Irritability

The fastest method for producing ATP is anaerobic glycolysis.

• True

• False

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Calcium triggers the binding of myosin to actin.

• True

• False

The heads of myosin are called synapses when they link the thick and thin filaments together.

• True

• False

The ability of a muscle cell to shorten is contractility.

• True

• False

Aerobic respiration requires the use of oxygen to generate ATP.

• True

• False

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

The mechanical force of contraction is generated by the sliding of thin filaments past thick filaments.

• True

• False