Question

Providing appropriate examples for each, name the three basic shapes in which bacterial cells exist. (6)
2. Explain, using relevant examples, two ways in which capsules around bacterial cells are of medical importance. (6)
3. Using appropriate examples, discuss two advantages of motility in bacteria. (4)
4. Explain how biological enzymes speed up the rate of cellular chemical reactions. (4)
5. Describe a biochemical test you would carry out to differentiate between Shigella and E. coli. (2)
6. Use an appropriate example to explain the term “enzyme poison”. (3)
7. Identify three methods by which organisms phosphorylate ADP to generate ATP. (3)
8. Explain why anaerobes tend to grow much slower than aerobes, even if they have the same amount of substrate.

Answer 1

Answer:

32 men reap a field in 60 days. For reaping the same field in 48 days, how many men must be Complete the following concept chart.

Importance

Result

Obtained by

Salt

Trade