What Are the Two Most Common Types of Secondary Structure

question 73

Multiple Choice

What are the two most common types of secondary structure found in proteins?

• A)α-helices and β-arrays
• B)double stranded helices and β-arrays
• C)α-helices and β-pleated sheets
• D)β-spirals and α-turns
• E)random coils and β-pleated sheets

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Definitions:

Operating Cash Flow

The amount of cash generated by a company's normal business operations.

Contribution Margin

The amount by which sales revenue exceeds variable costs, used to cover fixed costs and to generate profit.

Sales Quantity

The total number of units of a product or service sold within a specific period.

Variable Cost

A corporate expense that changes in proportion with the level of output or sales.