Biochemistry : Protein Structure

Study concepts, example questions & explanations for Biochemistry

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Example Questions

Example Question #1 : Globular And Fibrous Proteins

An O-linked glycoprotein has a sugar attached to an oxygen atom on what amino acid(s)?

Possible Answers:

Threonine only

Methionine or threonine

Serine or threonine

Serine only

Methionine only

Correct answer:

Serine or threonine

Explanation:

An O-linked glycoprotein is a protein that has a sugar attached to it. It is called O-linked because the sugar is attached to an oxygen atom on either a threonine residue or a serine residue within the protein.

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