CAIE A-Level Biology AS 2.3.4 Globular Proteins Questions
Relate globular protein three-dimensional structure to its properties and biological functions using question evidence.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Describe the properties and functions of globular proteins in relation to their three-dimensional structure.
CAIE A-Level Biology AS 2.3.4 Globular Proteins Questions question 1
[Maximum number: 1]
Which feature explains why haemoglobin is soluble?
A
All four polypeptide chains are linked together to form a spherical molecule.
B
Each polypeptide chain folds due to interactions between hydrophobic R groups.
C
The hydrophilic R groups are arranged around the outside of the molecule.
D
The iron-containing haem group of each polypeptide chain is water soluble.
C
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