Insulin Is a Polypeptide Hormone That Contains 2 Short Polypeptide

question 22

Multiple Choice

Insulin is a polypeptide hormone that contains 2 short polypeptide chains linked by 2 interstrand disulfide bonds.Which of the following treatments would NOT be useful for determining its primary structure?

• A)reduction of the peptides with SDS
• B)sequencing of the peptides with Edman chemistry
• C)separation of the peptides by chromatography techniques
• D)alkylation of the peptides with iodoacetate

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Definitions:

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REM Sleep

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