cell structure - exam Q's

Question 1

Explain why it is not possible to determine the identity of the structures
labelled X using an optical microscope.

Answer 1

light has a long wavelength meaning leading to a low resolution

Question 2

U. marinum cells ingest bacteria and digest them in the cytoplasm.
Describe the role of one named organelle in digesting these bacteria.

Answer 2

1. lysosomes
2. fuse with vesicle/ phagosome
3. release hydrolytic enzymes/ Lysozymes