Question 35
Question 35 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
4. Cell membranes and tra...
4.1. Fluid mosaic membranes

describe the arrangement of cholesterol, glycolipids and glycoproteins in cell surface membranes

2. Biological molecules
2.3. Proteins

describe the structure of a molecule of haemoglobin as an example of a globular protein, including the formation of its quaternary structure from two alpha (α) chains (α-globin), two beta (β) chains (β-globin) and a haem group

9. Gas exchange
9.1. The gas exchange system

describe gas exchange between air in the alveoli and blood in the capillaries