Which Reagent Is Used to Accelerate Coupling Reactions in Both

question 7

Multiple Choice

Which reagent is used to accelerate coupling reactions in both laboratory peptide synthesis and laboratory DNA synthesis?

• A) catalytic H⁺
• B) dicyclohexylcarbodiimide (DCC)
• C) ethyl chloroformate
• D) NaOH
• E) PhS ^- NH₄⁺

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Definitions:

Income Statement

A financial statement that shows a company’s revenues, expenses, and profits over a specific period, typically a quarter or year.

Times Interest Earned Ratio

A financial metric comparing a company's earnings before interest and taxes (EBIT) to its interest expenses, evaluating the company's ability to meet its interest obligations.

Income Before Income Taxes

The profit a company has generated before accounting for income tax expenses, often found on the income statement.

Times Interest Earned Ratio

A financial metric that measures a company's ability to cover its interest obligations with its earnings before interest and taxes (EBIT).