The Host Range of a Virus Is Determined by

question 10

Multiple Choice

The host range of a virus is determined by

• A) the enzymes carried by the virus.
• B) whether its nucleic acid is DNA or RNA.
• C) the proteins in the host's cytoplasm.
• D) the enzymes produced by the virus before it infects the cell.
• E) the proteins on its surface and that of the host.

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Definitions:

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums.

Incremental Basis

A method of calculating changes in costs or benefits that result from small variations in the quantity of output or input.

Differential Basis

A method of calculating or analyzing the difference in costs or revenues between two alternative actions.

Sunk Cost

A cost that cannot be changed by any present or future decision.