Cell Structure and Function

Question 1

Name and explain a few of the key structures of a prokaryotic cell.

Answer 1

a plasma membrane, a nucleiod (unbound region within the cell containing the chromosomes, and the cytoplasm (containing soluble enzymes, and metabolites and macromolecular assemblies such as ribosomes)

Question 2

What does vesicle transport rely on, give two examples.

Answer 2

motor proteins

e.g. dyneins and kinesines

Question 3

What do fimbriae or pili do?

Answer 3

shorter, thread like extensions that mediate associations with the substrate or other cells

Question 4

Name the three sections of the golgi apparatus

Answer 4

cis, medial, trans

Question 5

What is the role of the mitochondria?

Answer 5

convert energy rich molecules into a form that can be used by the cell
e.g. glucose to atp