Which of the Following Statements About Ribosomal RNA (RRNA) Genes

question 7

Multiple Choice

Which of the following statements about ribosomal RNA (rRNA) genes is true?

• A) Nearly all multicellular animals have hundreds (if not more) copies of them.
• B) There is much variation within species in different copies of the rRNA genes.
• C) They evolve through concerted evolution.
• D) Both a and b
• E) Both a and c

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Definitions:

Accounts Receivable Turnover

A measure of how quickly a company collects cash from its customers, calculated as sales divided by the average accounts receivable.

Price-Earnings Ratio

A valuation metric comparing a company's current share price to its per-share earnings, used by investors to evaluate the relative value of a company's shares.

Working Capital

Current assets less current liabilities.

Gross Margin Percentage

A financial metric that measures the proportion of money left over from revenues after accounting for the cost of goods sold (COGS), expressed as a percentage.