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Frequently, Several Different Signals or Molecules Are Needed in Order

question 20

Multiple Choice

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called ________.


Definitions:

Components

The individual parts or elements that make up a larger object or system.

Borrowed Reserves

Funds that commercial banks borrow from the central bank, often used to meet reserve requirements or to manage liquidity.

Federal Reserve System

The principal banking organization in the United States tasked with handling monetary policy.

Federal Funds Market

A financial market that allows banks to borrow or lend reserves overnight to meet reserve requirements.

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