alleryHow many levels of protein structure are described?
ANine levels
BSeven levels
CTwelve levels
DFour levels
Answer & Solution
Correct answer: D. Four levels
1. Protein shape is built up in stages of increasing complexity.
2. Each level is more complex than the previous one.
3. Structure and shape can be studied at four different levels.
4. They are primary, secondary, tertiary and quaternary.
_Source: syllabus Chemistry Part II, Ch 10 'Biomolecules'_
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