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Biomolecules
Levels of protein structure
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- Levels of protein structure
All Questions
2024 Re-NEET 1 question
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Match List-I with List-II and choose the correct answer from the options given below:
Pick the matching item from Column II for each row.
Column I
- A. Primary structure of protein
- B. Secondary structure of protein
- C. Tertiary structure of protein
- D. Quaternary structure of protein
Column II
- I. Human haemoglobin
- II. Disulphide bonds
- III. Polypeptide chain
- IV. Alpha helix and beta sheet
Correct answer: A → III, B → IV, C → II, D → I
Primary structure of protein is its polypeptide chain (linear sequence of amino acids) (A-III); Secondary structure is characterised by alpha helix and beta sheet (B-IV); Tertiary structure is stabilised by disulphide bonds among other interactions (C-II); Quaternary structure is exemplified by human haemoglobin, made of multiple polypeptide subunits (D-I).
