Which of the following is classified as a secondary protein structure? A) Globular protein B) Pleated sheet C) Alpha helix D) Quaternary protein
Understand the Problem
The question is asking to identify which option represents a secondary protein structure. Secondary structures in proteins refer to specific arrangements of amino acids, such as alpha helices and beta pleated sheets.
Answer
Pleated sheet and Alpha helix
The final answer is B) Pleated sheet and C) Alpha helix.
Answer for screen readers
The final answer is B) Pleated sheet and C) Alpha helix.
More Information
Secondary protein structures are formed by hydrogen bonds between the backbone atoms in the polypeptide chain, commonly in configurations like alpha helices and beta pleated sheets.
Tips
A common mistake is confusing the tertiary and secondary protein structures. Remember secondary structures are specifically pattern arrangements like alpha helices or pleated sheets.
Sources
- Orders of protein structure - Khan Academy - khanacademy.org
- Biochemistry, Secondary Protein Structure - StatPearls - NCBI - ncbi.nlm.nih.gov
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