What Two Types of Secondary Structure Are Depicted in the Ribbon

question 67

Multiple Choice

What two types of secondary structure are depicted in the ribbon diagram of the protein shown below?

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

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