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Select the statement which accurately describes how molecule A differs from molecule B. image003647d0b9e.jpg

How many polypeptide chains (subunits) make up the core nucleosome?

Which of the following describes secondary structure found in proteins?

Which of the following proteins is a hormone?

Which of the following compounds is a heterocyclic aliphatic amine? image00964768a26.jpg

Which of the following is an achiral amino acid?

Which of the following statements is true of zwitterions?

Name the following tripeptide. image01964768a26.gif

Which of the following compounds contain one or more benzene-like ring structures?

For the amino acid glycine, pI = 5.97. Which of the following statements is also true of glycine?