Which of the Following Distinguishes Mature B Cells from B

question 21

Multiple Choice

Which of the following distinguishes mature B cells from B cells at other stages of development?

• A) co-expression of IgM and IgD
• B) expression of surrogate light chains
• C) lack of surface immunoglobulin
• D) only stage to express IgA and IgB

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Definitions:

Lump Sum Payment

A single payment made at a particular time, as opposed to multiple payments made over a period.

Present Value

The present fiscal value of a future sum of money or sequence of cash inflows, determined by a specified rate of return.

Perpetuity

A financial instrument or investment that generates a constant stream of cash flows with no end date.

Annuity Stream

A sequence of payments made at equal intervals, such as monthly or annually.