A microbiologist studies microscopic lifeforms such as bacteria in order to learn more about their structure and function.
(a) Name the type of ribosome found in bacteria.
(1)
(b) Explain how the ultrastructure of a bacterium capsule prevents dehydration
(2)
A microbiologist measures an electron micrograph image of a bacterium to be 4.5 cm
in length.
The magnification used to view the bacterium was 22 500x.
(c) Calculate the actual size of the bacterium.
(3)
Show your working.