Which of the Following Two Enzymes Are Needed to Construct

question 1

Multiple Choice

Which of the following two enzymes are needed to construct a cDNA library?

• A)reverse transcriptase and DNA ligase
• B)reverse transcriptase and Taq polymerase
• C)DNA ligase and Taq polymerase
• D)Taq polymerase and RNA polymerase

Understand the purpose and use of a debit memorandum in transactions.

Calculate and analyze the gross margin ratio and its significance in assessing company performance.

Differentiate between the perpetual and periodic inventory systems and their journal entries.

Recognize how sales discounts, returns, allowances, and freight costs affect the cost of merchandise and net sales.

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Definitions:

Variable Expenses

Costs that fluctuate with business activity levels, such as raw material costs or utilities following production volumes.

Net Income

The total profit of a company after all expenses, including taxes and operational costs, have been subtracted from total revenue.

CVP Analysis

Short for Cost-Volume-Profit Analysis, a tool used to determine how changes in costs and volume affect a company's operating income and net income.

Contribution Margin Ratio

The ratio of sales income that surpasses variable expenses, showing the extent to which revenue assists in covering fixed costs and generating profit.