Which of the Following Additions Have Been Made to Principles

question 40

Multiple Choice

Which of the following additions have been made to principles of the central dogma of biology?

• A) DNA information cannot be converted into RNA information.
• B) Protein information can be converted into DNA information.
• C) RNA can be used to regulate gene function.
• D) DNA codes for proteins.

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Definitions:

Operating Leverage

A measure of how revenue growth translates into growth in operating income, indicating a company’s fixed versus variable costs.

Variable Costs

Charges that adjust in direct proportion to the manufacturing output or the quantity of sales.

Fixed Costs

These are consistent expenses incurred by a business, regardless of production levels or sales volumes, such as rent or salaries.

Profit-Volume Chart

A chart plotting only the difference between total sales and total costs for various levels of units sold.