Tubulin Is

question 57

Multiple Choice

Tubulin is

• A) a protein that forms the tubular portion of the cytosol.
• B) a lipid that forms the ER.
• C) a protein that assembles into filamentous tubes microtubules).
• D) a lipid that assembles into filamentous tubes microtubules).
• E) a carbohydrate that assembles into filamentous tubes microtubules).

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Definitions:

Endocardium

The innermost layer of tissue that lines the chambers of the heart, providing a smooth surface for blood flow.

Epicardium

The outermost layer of the wall of the heart. Also known as the visceral pericardium.

Pericardium

A membrane that covers the heart and large blood vessels attached to it.

Cardiac Conduction

The process by which the heart's electrical impulses are generated and transmitted, facilitating heartbeats.