Consider the Following Experiment

question 61

Multiple Choice

Consider the following experiment. First, large populations of two mutant strains of Escherichia coli are mixed, each requiring a different, single amino acid. After plating them onto a minimal medium, 45 colonies grew. Which of the following may explain this result?

• A) The colonies may be due to recombination.
• B) The colonies may be due to back mutation (reversion).
• C) Either A or B is possible.
• D) Neither A nor B is possible.

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Definitions:

Dividends Account

An account in a company's financial records where dividend payments are recorded, reflecting distribution of profits to shareholders.

Debit Balance

A situation in accounting where the sum of debits exceeds the sum of credits, often indicating the amount owed or an asset's value.

Debt Ratio

A financial ratio that measures the extent of a company's or individual's leverage, calculated by dividing total liabilities by total assets.

Services Revenue

Income earned by a company through the provision of services to customers.