Which Statement Is NOT True of Sarcomeres

question 179

Multiple Choice

Which statement is NOT true of sarcomeres?

• A)Calcium ions are stored in the sarcolemma.
• B)Myosin filaments are in the center.
• C)Actin filaments are attached to the Z lines.
• D)Sarcomeres are the units of contraction.

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Definitions:

Vestibular Nerve

Part of the inner ear that sends signals to the brain regarding balance and head position.

Endolymph

A fluid within the inner ear that fills the cochlear duct and vestibular system, important for transmitting sound and maintaining balance.

Oval Window

The membrane-covered opening that leads from the middle ear to the vestibule of the inner ear.

Cochlea

A spiral-shaped, fluid-filled inner ear structure responsible for converting sound waves into nerve impulses.