What Is a Memory Cell

question 210

Multiple Choice

What is a memory cell?

• A) a phagocyte that binds to a specific antigen and engulfs the cell with that antigen
• B) a plasma cell that releases large amounts of a specific antibody into the bloodstream
• C) a B cell that binds to antigens that are structurally different from the initial antigen
• D) a T cell that supplies B cells with antibodies that match an antigen from a previous infection
• E) a lymphocyte that recognizes a specific antigen long after initial exposure to the pathogen

---

Definitions:

Interest Charge

The cost of borrowing money on a loan or earned on interest-bearing accounts, calculated as a percentage of the principal sum.

Compound Interest

Compound interest is interest calculated on the initial principal and also on the accumulated interest of previous periods of a deposit or loan.

Future Value

The value of an investment at a specified future date, taking into account factors like interest rates and compounding.

Compounded Annually

Interest on an investment that is calculated once per year, adding to the principal amount for future interest calculations.