Which Is Incorrect About Purines

question 77

Multiple Choice

Which is incorrect about purines?

• A)Only found in DNA, not in RNA
• B)Are nitrogenous bases
• C)Always paired with a specific pyrimidine
• D)Include adenine and guanine
• E)Found within nucleotides

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Definitions:

Operating Profit Margin

A profitability ratio calculated as operating income divided by revenue, indicating the percentage of revenue that is left over after paying for variable costs of production.

Cost of Goods Sold

Expenses directly incurred from the production of a company's sold goods, involving the cost of labor and materials.

General and Administrative Costs

Expenses related to the day-to-day operations of a business that are not directly linked to production or sales.

Gross Profit Margin

A financial metric indicating the percentage of revenue that exceeds the cost of goods sold; it measures how efficiently a company uses its labor and supplies in production.