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What is the tertiary structure of a protein?

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Question: What is the tertiary structure of a protein?

Options:

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

Correct Answer: The overall 3D shape of a single polypeptide chain

Solution:

The tertiary structure of a protein refers to the overall three-dimensional shape formed by the folding of a single polypeptide chain.

What is the tertiary structure of a protein?

Practice Questions

Q1
What is the tertiary structure of a protein?
  1. The overall 3D shape of a single polypeptide chain
  2. The sequence of amino acids
  3. The arrangement of multiple polypeptide chains
  4. The interaction of the protein with other molecules

Questions & Step-by-Step Solutions

What is the tertiary structure of a protein?
  • Step 1: Understand that proteins are made of smaller units called amino acids.
  • Step 2: Know that these amino acids are linked together in a chain, called a polypeptide chain.
  • Step 3: Realize that the polypeptide chain can fold into different shapes.
  • Step 4: The tertiary structure is the specific three-dimensional shape that the folded polypeptide chain takes.
  • Step 5: This shape is important because it determines how the protein functions in the body.
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