HAEMOGLOBIN Flashcards
1
Q
WHAT ARE THE PROPERTIES OF HAEMOGLOBIN?
A
- SPHERICAL / GLOBULAR
- SPECIFIC 3D SHAPE
2
Q
WHAT IS THE PRIMARY STRUCTURE OF HAEMOGLOBIN?
A
4 POLYPEPTIDE CHAINS
3
Q
WHAT IS THE SECONDARY STRUCTURE OF HAEMOGLOBIN?
A
ALPHA-HELIX
4
Q
WHAT IS THE TERTIARY STRUCTURE OF HAEMOGLOBIN?
A
EACH CHAIN IS FOLDED INTO A SPECIFIC 3D PRECISE SHAPE
5
Q
WHAT IS THE QUATERNARY STRUCTURE OF HAEMOGLOBIN?
A
2 PAIRS OF POLYPEPTIDES (2 ALPHA + 2 BETA CHAINS) - LINKED TO FORM A SPHERICAL SHAPE
6
Q
WHAT DOES EACH POLYPEPTIDE GROUP CONTAIN?
A
AN IRON ION (FE2+) WHICH CAN COMBINE WITH A SINGLE OXYGEN MOLECULE
7
Q
HOW MANY OXYGEN MOLECULES CAN 1 HAEMOGLOBIN MOLECULE COMBINE WITH?
A
4
