Negative Selection of Developing B Cells Ensures That

question 12

Multiple Choice

Negative selection of developing B cells ensures that

• A)there is not an overabundance of circulating B cells that would compete with other important cell types in the circulation
• B)only antigen-activated B cells leave the bone marrow
• C)clonal expansion of B cells does not occur in the absence of infection
• D)B-cell receptors that bind to normal constituents of the body do not emerge
• E)B cells do not leave secondary lymphoid tissues.

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Definitions:

Real Risk-Free Rate

The interest rate on a risk-free asset, after adjusting for inflation, indicating the true return on a risk-free investment.

Inflationary Expectations

Anticipations of future inflation that can influence economic behaviors in the present.

Default Risk Premium

The additional amount a borrower must pay to compensate the lender for assuming the risk that the borrower may default on the loan.

Corporate Bond

A debt security issued by a corporation to investors, typically offering interest payments and principal repayment at maturity.