CAIE A-Level Biology AS 2.3.2 Protein Structure Levels Questions

Explain protein structure levels by linking each level to its bonding, folding and organisation evidence.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Explain the levels of protein structure and relate primary, secondary, tertiary and quaternary structure to bonding.

CAIE A-Level Biology AS 2.3.2 Protein Structure Levels Questions question 1

[Maximum number: 1]

Which fact about the quaternary structure of proteins is correct?

A

consists of four polypeptides

B

depends on the presence of metal ions

C

depends on the primary structure of the polypeptides

D

is made of α\alpha and β\beta polypeptides

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