Question 17
Question 17 of 40
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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...
4.2. Movement into and out of cells

illustrate the principle that surface area to volume ratios decrease with increasing size by calculating surface areas and volumes of simple 3-D shapes (as shown in the Mathematical requirements)

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

1. Cell structure
1.1. The microscope in cell studies

calculate magnifications of images and actual sizes of specimens from drawings, photomicrographs and electron micrographs (scanning and transmission)