6.2 - SPECIMEN SET B2 Q5
5) Different antibiotics destroy bacteria in different ways.
5.1) Antibiotics that disrupt the bacterial cell membrane often cause more side effects in humans compared with antibiotics that disrupt bacterial cell walls.
Suggest why. [1 mark]
5.2) Some antibiotics prevent ribosomes functioning.
Suggest how this damages the bacterium. [1 mark]
5.3) Drug manufacturers are spending less on research into new antibiotics.
One reason why is because new antibiotics are rarely prescribed.
Some people think that governments should pay drug manufacturers to develop new antibiotics.
Suggest why. [3 marks]
(Total for Question 5 = 5 marks)
- Some antibiotics disrupt the bacterial cell membrane.
- Some antibiotics disrupt the bacterial cell wall.
5.1) Antibiotics that disrupt the bacterial cell membrane often cause more side effects in humans compared with antibiotics that disrupt bacterial cell walls.
Suggest why. [1 mark]
5.2) Some antibiotics prevent ribosomes functioning.
Suggest how this damages the bacterium. [1 mark]
5.3) Drug manufacturers are spending less on research into new antibiotics.
One reason why is because new antibiotics are rarely prescribed.
Some people think that governments should pay drug manufacturers to develop new antibiotics.
Suggest why. [3 marks]
(Total for Question 5 = 5 marks)