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What is quaternary structure in proteins?

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Question: What is quaternary structure in proteins?

Options:

  1. The sequence of amino acids
  2. The folding of a single polypeptide chain
  3. The arrangement of multiple polypeptide chains
  4. The interaction of the protein with other molecules

Correct Answer: The arrangement of multiple polypeptide chains

Solution: 

Quaternary structure refers to the arrangement and interaction of multiple polypeptide chains in a protein.

What is quaternary structure in proteins?

Practice Questions

Q1
What is quaternary structure in proteins?
  1. The sequence of amino acids
  2. The folding of a single polypeptide chain
  3. The arrangement of multiple polypeptide chains
  4. The interaction of the protein with other molecules

Questions & Step-by-Step Solutions

What is quaternary structure in proteins?
  • Step 1: Understand that proteins are made up of smaller units called polypeptide chains.
  • Step 2: Know that some proteins are made of more than one polypeptide chain.
  • Step 3: Quaternary structure is the way these multiple polypeptide chains come together and interact.
  • Step 4: This structure is important because it affects how the protein functions.
  • Quaternary Structure – The arrangement and interaction of multiple polypeptide chains in a protein.
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