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Which level of protein structure is characterized by the overall 3D shape of a s

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Question: Which level of protein structure is characterized by the overall 3D shape of a single polypeptide chain?

Options:

  1. Primary structure
  2. Secondary structure
  3. Tertiary structure
  4. Quaternary structure

Correct Answer: Tertiary structure

Solution:

The tertiary structure of a protein refers to the overall 3D shape of a single polypeptide chain, determined by interactions among side chains.

Which level of protein structure is characterized by the overall 3D shape of a s

Practice Questions

Q1
Which level of protein structure is characterized by the overall 3D shape of a single polypeptide chain?
  1. Primary structure
  2. Secondary structure
  3. Tertiary structure
  4. Quaternary structure

Questions & Step-by-Step Solutions

Which level of protein structure is characterized by the overall 3D shape of a single polypeptide chain?
Correct Answer: tertiary structure
  • Step 1: Understand that proteins are made of long chains called polypeptides.
  • Step 2: Know that these polypeptides fold into specific shapes.
  • Step 3: Identify that the 3D shape of a single polypeptide chain is called its tertiary structure.
  • Step 4: Recognize that the tertiary structure is determined by interactions among the side chains of the amino acids in the polypeptide.
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