A Protein Molecule,transferrin,embedded in the Plasma Membrane Recognizes Iron Molecules

question 63

Multiple Choice

A protein molecule,transferrin,embedded in the plasma membrane recognizes iron molecules and causes the plasma membrane to fold in around the iron and take it into the cell.This is an example of

• A) osmosis.
• B) diffusion.
• C) receptor-mediated endocytosis.
• D) pinocytosis.

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Definitions:

Price Elastic

A term related to price elasticity of demand, indicating how responsive the quantity demanded of a good or service is to a change in its price.

Product

Anything that can be offered to a market to satisfy a want or need, including goods, services, and ideas.

Income Elasticity

A measure of how the demand for a good or service changes in relation to a change in income.

Good

A tangible product that satisfies human wants or needs.