The MRNAs of Poxviruses Do Not Undergo Splicing

question 20

Multiple Choice

The mRNAs of poxviruses do not undergo splicing.Which of the following explains why?

• A) Poxvirus genomes are small and they need to conserve genome space.
• B) Poxviruses replicate in the cytoplasm of infected cells.
• C) They do not need to regulate gene expression through alternative splicing.
• D) They do not encode the proteins that carry out mRNA splicing.
• E) Poxvirus mRNAs do not contain exons.

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Definitions:

Variable Costs

Expenditures that adjust in alignment with production levels or sales quantities, notably including labor and raw materials.

Fixed Costs

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

Mixed Costs

Expenses that have both fixed and variable components, changing in total with the level of activity but not proportionally.

Fixed Costs

Fixed costs, including items like rent, salaries, and insurance, do not vary based on the amount of goods produced or sold.