On Average,how Many Amino Acids Engaged in Predominantly Hydrophobic $\alpha$ - Helices Does It Take to Cross the Hydrophobic Part

question 7

Multiple Choice

On average,how many amino acids engaged in predominantly hydrophobic $\alpha$ - helices does it take to cross the hydrophobic part of the membrane?

• A)about 10 amino acids
• B)about 20 amino acids
• C)at least 40 amino acids
• D)about 2 - 3 amino acids
• E)None of these are correct.

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