1.2 Ultrastructure Of cells

Question 1

Contrast prokaryotes and eukaryotes

Answer 1

Prokaryotes have a simple structure without compartmentalization
Eukaryotes have compartmentalized structure

Question 2

Prokaryote

Answer 2

Organisms whose cells lack a nucleus

Question 3

A typical component of prokaryote

Answer 3

Cytoplasm, nudeoid, plasmids, ribosomes, cell membrane, cell well, slime capsule, flagella, Phili

Question 4

Other features of a portargote

Answer 4

DNA not enclosed within membrane
DNA is free, not attached to proteins
Lack membrane Bound organelles
Small in size
Cell wall made up of peptidoglycen

Question 5

Cytoplasm

Answer 5

internal fluid of cell

Question 6

Nucleoid:

Answer 6

Where DNA is located (DNA is circular - Ernophore)

Question 7

Plasmids:

Answer 7

autonomous circular DNA that can transfer between bacteria (horizontal gene transfer)

Question 8

Ribosomes:

Answer 8

Sites of protien synthesis (70s)

Question 9

State two structural similarities between mitochondria and chloroplasts.

Answer 9

Double membrane and both contain their DNA & RNA

Question 10

State the outermost structure of a typical plant cell.

Answer 10

Cell wall