Joshua Lederberg and Edward Tatum Conducted Experiments with Two Auxotrophic

question 27

Multiple Choice

Joshua Lederberg and Edward Tatum conducted experiments with two auxotrophic strains of E.coli.The Y20 strain had the genotype thr^- leu^- thi^- bio⁺ phe⁺ cys⁺, and the Y24 strain had the genotype thr⁺ leu⁺ thi⁺ bio^- phe^- cys^-.Which of the following procedures would produce growth of bacterial colonies?

• A)Spread the Y20 strain on minimal medium agar plates.
• B)Spread the Y24 strain on minimal medium agar plates.
• C)Boil the Y20 strain, and spread it on minimal medium agar plates.
• D)Boil the Y24 strain, and spread it on minimal medium agar plates.
• E)Mix the Y20 and Y24 strains together, and spread it on minimal medium agar plates.

Record the journal entries for the sale of merchandise, including scenarios with sales tax.

Understand the benefits of purchase discounts and their calculation.

Differentiate between the chart of accounts for merchandising and service businesses.

Understand the classification of different types of expenses in accounting.

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Definitions:

Basic Earnings Per Share

A financial metric that measures a company's profitability by dividing its net income by the weighted average number of common shares outstanding during the period.

EPS Disclosure

The requirement for public companies to report earnings per share (EPS) on their income statements, providing a direct measure of their profitability to shareholders.

GAAP

The Generally Accepted Accounting Principles, are the set of accounting standards that guide and standardize accounting practices to ensure consistency, reliability, and comparability of financial reports.

Other Comprehensive Income

Portions of total comprehensive income not recognized in net income, including items like foreign currency translation adjustments and unrealized gains or losses on certain types of investments.