Anatomy of Sarcomere

Presentation

•

Biology

•

12th Grade

•

Hard

Joseph Anderson

FREE Resource

30 Slides • 21 Questions

Multiple Choice

Plasma membrane in muscle cell

sarcolemma

sarcoplasma

sarcoplasmic reticulum

sarcomere

actin

Multiple Choice

Fluid part of a muscle cell (fiber)

sarcolemma

sarcoplasma

sarcoplasmic reticulum

sarcomere

actin

Multiple Choice

Thin myofilament made of contractile protein

sarcolemma

sarcoplasma

sarcoplasmic reticulum

sarcomere

actin

Multiple Choice

A bundle of muscle fibers is known as a...

fascicle

sarcomere

tendon

epimysium

Multiple Choice

Another name for a muscle cell is...

muscle fiber

fascicle

sarcomere

thick filament

Multiple Choice

The connective tissue that surrounds the entire muscle is called...

epimysium

perimysium

endomysium

Multiple Choice

The connective tissue that surrounds fascicles is called...

epimysium

perimysium

endomysium

Multiple Choice

The basic functional unit of a muscle fiber separated by the Z lines is called _____.

sarcolemma

sarcomere

filaments

myofibril

Multiple Choice

Myofibrils are made up of two types of proteins known as?

Actin and Myosin

Troponin and Tropomyosin

Myoglobin and hemoglobin

none of these

Multiple Choice

What is number 4?

perimysium

muscle fiber

fascicle

endomysium

Multiple Choice

What structure is shown here?

neuromuscular junction

sarcomere

origin and insertion

synaptic cleft

Multiple Choice

What is the smallest unit of a muscle to contract?

Sarcomere

Myofibril

Muscle fiber

Myofilaments

Multiple Choice

Which myofilament is attached to the z line?

Actin

Myosin

Multiple Choice

Which part of a sarcomere contains only thick filaments?

I band

A band

H zone

Z zone

Multiple Choice

Which part of a sarcomere contains only thin filaments?

I band

A band

H zone

M zone

Multiple Choice

Which part of the sarcomere is the line down the middle of the myosin?

Z line

I band

M line

Multiple Choice

The point at which the nerve cell reaches the sarcolemma of the muscle fiber is the _____.

Neurotransmitter

Acetylcholine

Synaptic cleft

Neuromuscular Junction

Multiple Choice

The gap between the nerve cell and sarcolemma is the ____ ___.

Synaptic cleft

Neurotransmitter

Motor unit

Neuromuscular junction

Multiple Choice

What is the specific neurotransmitter that stimulates the movement of skeletal muscles?

GABA

Acetylcholine

Serotonin

Dopamine

Multiple Choice

Once calcium is pumped into the axon terminal what happens?

The muscle contracts

ACh is released into the synaptic cleft.

Sodium pumps into the sarcolemma.

The muscle contracts.

Multiple Choice

What is the name of the component that houses the neurotransmitters?

Synaptic cleft

Acetylcholine

Receptors

Synaptic vesicles

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