Antigenic Drift Occurs When

question 32

Multiple Choice

Antigenic drift occurs when

• A) two viruses infect the same cell.
• B) a new viral strain is produced.
• C) random mutations occur in the neuraminidase spike.
• D) random mutations occur in the hemagglutinin spike.

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Definitions:

Loanable Funds

This refers to the resources or funds available for borrowing in the financial markets, used for investments and purchases.

Interest Rate

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage of the loan outstanding.

Future Value

The worth of an asset or cash on a future date that has the same value as a certain amount presently.

Present Value

A calculation that determines the current worth of a future sum of money or stream of cash flows, given a specified rate of return.