What is the role of the side chain (R group) in amino acids?

Practice Questions

Q1
What is the role of the side chain (R group) in amino acids?
  1. Determines the amino acid's charge
  2. Determines the amino acid's polarity
  3. Determines the amino acid's reactivity
  4. All of the above

Questions & Step-by-Step Solutions

What is the role of the side chain (R group) in amino acids?
  • Step 1: Understand that amino acids are the building blocks of proteins.
  • Step 2: Each amino acid has a central carbon atom, an amino group, a carboxyl group, a hydrogen atom, and a side chain (R group).
  • Step 3: The side chain (R group) is what makes each amino acid unique.
  • Step 4: The properties of the side chain (like charge and polarity) affect how the amino acid behaves.
  • Step 5: These properties influence how amino acids interact with each other in proteins.
  • Step 6: The interactions between amino acids help determine the shape and function of the protein.
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