Which of the Following Statements About Actin Is Not True

question 39

Multiple Choice

Which of the following statements about actin is not true?

• A)Actin is the most abundant cytoplasmic protein in many cell types.
• B)Actin forms microfilaments in many cell types.
• C)Actin plays an important role in endocytosis.
• D)Actin is present only as monomers in nonmuscle cells.
• E)Actin filaments are dynamic,they grow at one end and they lose subunits at the other end.

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Definitions:

Operating Leverage

A measure of the proportion of fixed costs in a company's cost structure, indicating how a change in sales volume will affect operating income.

Cedar Shingles

Thin, tapered pieces of cedar wood used as durable roofing materials.

Net Operating Income

Income from a company's everyday business operations, excluding expenses from interest and taxes.

Monthly Sales

The total revenue generated from the sale of goods or services within a single month.