For the Successful Development of a Vaccine to Be Used

question 37

Multiple Choice

For the successful development of a vaccine to be used against a pathogen,it is necessary that

• A)the surface antigens of the pathogen do not change.
• B)a rearrangement of the B cell receptor antibodies takes place.
• C)all of the surface antigens on the pathogen be identified.
• D)the pathogen has only one epitope.
• E)the MHC molecules are heterozygous.

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Definitions:

Retained Earnings

The portion of a company's profits not distributed as dividends but retained for reinvestment in the business or to pay off debt.

Income Summary

An account used in the closing process during the accounting cycle that sums up all revenues and expenses for the period to determine the net income or loss for the period.

Retained Earnings

The sum of a company's earnings up to the present, reduced by any shareholder dividends or distributions.

Total Assets

The sum of all assets owned by a company, including both current and fixed assets, as represented on the balance sheet.