Question 37
Question 37 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
10. Infectious diseases
10.2. Antibiotics

outline how penicillin acts on bacteria and why antibiotics do not affect viruses

17. Selection and evoluti...
17.2. Natural and artificial select...

outline how bacteria become resistant to antibiotics as an example of natural selection

1. Cell structure
1.2. Cells as the basic units of li...

outline key structural features of a prokaryotic cell as found in a typical bacterium, including: • unicellular • generally 1–5 μm diameter • peptidoglycan cell walls • circular DNA • 70S ribosomes • absence of organelles surrounded by double membranes