3.3 Structure of an epithelial cell

Question 1

Are epithelial cells eukaryotic or prokaryotic cells?

Answer 1

Eukaryotic cells.

Question 2

Name 3 (out of possible 5) parts of nucleus.

Answer 2

Nuclear envelope
Nuclear pores
Nucloeoplasm
Chromatin
Nucleolus

Question 3

What is the structure of the nuclear envelope? And what is its function?

Answer 3

Nuclear envelope is double membrane that surrounds the nucleus. It is joined with the endoplasmic reticulum and often has ribosomes on surface.
Control entry and exit of materials. and contains reactions taking place within.