Passive Carrier Proteins

question 58

Multiple Choice

Passive carrier proteins

• A)bind to phospholipids in the plasma membrane and move them into the cell.
• B)bind to specific external molecules and aid in the formation of vesicles entering the cell.
• C)create tunnels in the plasma membrane for specific solutes to diffuse through.
• D)change shape upon binding to specific external molecules and then release the molecule on the other side of the membrane.

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Definitions:

APR

Annual Percentage Rate, encompassing the annual rate charged for borrowing or earned through an investment, inclusive of any fees or additional costs.

Dollar-Weighted Return

A measure of an investment's performance that takes into account the timing and amount of all cash inflows and outflows.

Geometric Average Return

The average rate of return on an investment that is calculated by multiplying n variables and then taking the n-th root of the product.

Arithmetic Average Return

The simple mean of a set of returns, calculated by summing the returns over a period and dividing by the number of periods.