The Array of Potential Antibodies to the Variety of Possible

question 92

Multiple Choice

The array of potential antibodies to the variety of possible antigens is amazing.Which statement explains this development?

• A)Mutations in the antibody gene occur within the activated B cells, since they meet the antigen.
• B)The existing antibody molecules change their shapes, allowing them to fit with a large number of antigens.
• C)There is a shuffling of genes that code for self markers as well as nonself markers, mixing them together and producing reactive lymphocytes to those markers.
• D)Recombination of genes coding for the variable regions of immunoglobulins occurs during the developmental stage of lymphocyte production.

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Definitions:

NPV

Net Present Value; a calculation used to estimate the value of an investment, considering the present value of its future cash flows.

Option To Wait

The choice to delay an investment or decision, which might carry value by allowing more information to be gathered, potentially leading to a better informed decision.

Discounted Cash Flow

A valuation method used to estimate the value of an investment based on its expected future cash flows, adjusted for the time value of money.

Projected Cash Flows

Estimates of the amount of money expected to move in and out of a business over a specified period in the future.