UNIT 2 (topic 1) bacteria cell

Question 1

what is the cell wall made of

Answer 1

peptidoglycan (murein)

Question 2

function of cell wall

Answer 2

thick to prevent osmosis

Question 3

function of plasma membrane

Answer 3

controls entry and exit of the cell

Question 4

function of the nucleoid

Answer 4

region of circular DNA
- contains genes to code for proteins that enable to cell to function

Question 5

function of plasma

Answer 5

• contains genes needed for survival
• produces enzymes that break down antibodies
• carry resistance to antibodies

Question 6

function of ribosomes

Answer 6

type 70s for protein synthesis

Question 7

function of the capsule

Answer 7

• slime layer to protect from other cells and stick to cells for protection

Question 8

function of mesosome

Answer 8

• infolding of the cell membrane
• contains enzymes needed for respiration

Question 9

function of pilus

Answer 9

projections that aids adhesion to other cells

Question 10

flagellum

Answer 10

• only in some bacteria
• aids movement