Synthesis of Insulin in the Beta-Cell Involves Several Proteolytic Cleavages

question 42

Multiple Choice

Synthesis of insulin in the beta-cell involves several proteolytic cleavages post-translationally. The products of these enzymatic cleavages which are secreted normally are

• A) proinsulin and insulin
• B) insulin and C-peptide
• C) insulin and insulin-like growth factor
• D) proinsulin, insulin, insulin-like growth factor and relaxin
• E) insulin

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Definitions:

Volatility of Earnings

The degree of variation of a company's earnings over a specified period, indicating the predictability or stability of its income.

Optimal Level

The most efficient, effective or desirable point or degree of an operation or process.

EBIT

stands for Earnings Before Interest and Taxes, a measure of a company's profitability that excludes interest and income tax expenses.

Financial Leverage

The use of borrowed capital or debt to increase the potential return of an investment, amplifying both gains and losses.