Epstein-Barr Virus Particles Released from Infected B Lymphocytes Have Reduced

question 21

Multiple Choice

Epstein-Barr virus particles released from infected B lymphocytes have reduced infectivity for B lymphocytes but enhanced infectivity for epithelial cells.Which of the following explains this phenomenon?

• A) Epithelial cells have higher levels of the HVEM receptor protein.
• B) B lymphocytes do not contain the correct host cell receptor.
• C) B lymphocytes have MHCII protein, which binds to the viral gp42 protein.
• D) The viral envelope glycoproteins are not processed correctly in B lymphocytes.
• E) Lymphocytes have different lipids in their membranes, which inhibit fusion of the viral envelope.

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Definitions:

Compounded Monthly

interest earned or paid is calculated and added to the account balance every month.

Promissory Note

A written promise to pay a specified amount of money to a certain individual or entity at a specified time or on demand.

Compounded Annually

Interest on an investment or loan that is calculated once a year and added to the principal amount, allowing the investment to grow at an increasing rate.

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The process of determining the present value of a payment or a stream of payments to be received in the future, by applying a discount rate.