cell structure (4.1.1)

Question 1

which cell type doesn’t have a nucleus

Answer 1

PROkaryotic

Question 2

definition of differentiation

Answer 2

process of unspecialised cells becoming specialised

Question 3

function of nucleus

Answer 3

controls activities of cell

Question 4

function of cytoplasm

Answer 4

where chemical reactions take place

Question 5

function of mitochondria

Answer 5

where respiration takes place

Question 6

function of cell membrane

Answer 6

controls what goes in and out of cell

Question 7

function of vacuole

Answer 7

stores cell sap

Question 8

function of chloroplasts

Answer 8

site of photosynthesis

Question 9

function of cell wall

Answer 9

keeps cell shape + prevents bursting

Question 10

what is a plasmid

Answer 10

loop of DNA

Question 11

def of specialisation

Answer 11

cell specialised to carry out a particular function

Question 12

examples of specialised cells

Answer 12

red blood cell
nerve cell
sperm cell
muscle cell

Question 13

how are xylem cells specialised

Answer 13

• transport WATER
• made up of dead xylem cells
• end walls break down to let through water

Question 14

how are phloem cells specialised

Answer 14

• transports FOOD PRODUCTS
• made up of living cells
• end wall contains small holes to let food products through