specialised cells

Question 1

cells begin as

Answer 1

stem cells

Question 2

are stem cells specialised for specific jobs

Answer 2

no !!!!!!

Question 3

stem cells are able to

Answer 3

divide over and over to make new cells

Question 4

some stem cells become s__________ cells

Answer 4

specialised

Question 5

what is a specialised cell

Answer 5

a cell which has the structures and proteins to carry out a specific job in the organism

Question 6

function of red blood cells

Answer 6

to transport oxygen in the blood

Question 7

what protein does a red blood cell contain

Answer 7

haemoglobin

Question 8

what does haemoglobin do

Answer 8

binds to and transports oxygen

Question 9

does the red blood cell have a nucleus

why?

Answer 9

no nucleus
- more space for haemoglobin

Question 10

how is a red blood cell shaped

Answer 10

biconcave shaped (pinched disc)

Question 11

why is the red blood cell shaped how it is

Answer 11

so there’s a larger surface area
- more oxygen can enter and leave the cell more rapidly

Question 12

function of sperm cells

Answer 12

to transport male genetic material to the egg cell

Question 13

the sperm cell has a ____ (monkey)

Answer 13

tail

Question 14

correct term for sperm cells tail

Answer 14

flagellum

Question 15

why does the sperm cell have a flagellum

Answer 15

so the sperm can swim

Question 16

the sperm cell has many ____________

Answer 16

mitochondria

Question 17

why does the sperm cell need mitochondria

Answer 17

to provide the energy for swimming

Question 18

the sperm cell has an a_______

Answer 18

acrosome

Question 19

what is the acrosome in the sperm cell for

Answer 19

to digest the jelly layer surrounding the egg cell

Question 20

what is the acrosome in the sperm cell

Answer 20

a package of enzymes

Question 21

function of palisade (leaf) cell

Answer 21

to carry out photosynthesis

Question 22

the palisade (leaf) cell has many c___________

Answer 22

chloroplasts

Question 23

what are the chloroplasts in the palisade (leaf) cell for

Answer 23

to trap light energy for photosynthesis

Question 24

the palisade (leaf) cell is t___ and t___

Answer 24

tall and thin

Question 25

the palisade (leaf) cell is tall and thin so

Answer 25

cells can pack tightly together - so more of the light reaching the leaf, is absorbed