Tubulin Is

question 121

Multiple Choice

Tubulin is

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

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