Compared with a Cell with Few Aquaporins in Its Membrane

question 54

Multiple Choice

Compared with a cell with few aquaporins in its membrane, a cell containing many aquaporins will

• A) have a faster rate of osmosis.
• B) have a lower water potential.
• C) have a higher water potential.
• D) have a faster rate of active transport.
• E) accumulate water by active transport.

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Definitions:

Efficient Frontier

A concept in modern portfolio theory demonstrating the set of optimal portfolios offering the highest expected return for a given level of risk.

Portfolio Standard Deviation

A measure of the dispersion of the returns of a portfolio, indicating its risk.

Individual Security

A specific financial instrument, such as a stock or bond, representing an investment in assets or rights to ownership.

Covariance

A statistical measure that indicates the extent to which two variables change together; if the covariance is positive, the variables move together, while a negative covariance means they move inversely.