Cell Biology

Question 1

what is the function of the nucles

Answer 1

controles the activty of the cell and holds the dna

Question 2

function of the cytoplasm

Answer 2

where chemical reactions take place

Question 3

function of the cell membrane

Answer 3

controles what gose in and out of the cell

Question 4

function of the mitochondria

Answer 4

structure in the cytoplasm where energy is produced

Question 5

fucntion of the ribonmes

Answer 5

where protines are made

Question 6

function of the cell wall

Answer 6

protective layer which supports the cell

Question 7

function of the cellulose

Answer 7

a carbohydrate makes the cell wall of plants

Question 8

function of the vacuole

Answer 8

a fluid - filed cavity used for storage

Question 9

function of the chloroplast

Answer 9

contains chlorophyll found in plants

Question 10

what is a prokaryotic cell

Answer 10

organisms without a nucleus or organelles

Question 11

what is a eukaryotic cell

Answer 11

cells with a nucles and subcelluar orgnells

Question 12

function of the plasmid

Answer 12

samll cricle of DNA

Question 13

definition of diffusion

Answer 13

movment of particles from a high concerntration to low concerntration

Question 14

definition of osmosis

Answer 14

movment of paricals form a high concertration of water to a low concertration through a semi-permuble membrane

Question 15

definition of active transport

Answer 15

the movment of substances against a concertrated gradient

Question 17

which sub-cellular controls the activity of the cell

Answer 17

Nucles

Question 18

where are proteins made

Answer 18

On the ribsonmes

Question 19

three structures found in plant cells but not animal cells

Answer 19

permant vacuol
cell wall
chloroplast

Question 20

where is DNA found in a bacterium

Answer 20

plasmid in the cytoplam

Question 21

What takes place in the mitochondria

Answer 21

aerobic respration

Question 22

function of the flagella in a bacterial cell

Answer 22

tail - like structure which rotates to allow the bacteria to move

Question 23

What are the 3 stages of mitosis

Answer 23

1.) DNA replicates
2 .) chromoses split and pull to oposite ends of the cell
3.) 2 genticaly identical daugher cells are made

Question 24

why is cell division so important

Answer 24

it repairs damaged tissues

Question 25

where are stem cells found in a human

Answer 25

the bone marrow

Question 26

what are stems cells function

Answer 26

Stem cells are undiffrated cells which can diffrate into any cell needed and can create new healther cells

Question 27

what is therapeutic cloning

Answer 27

clones that are produced to treat diseases and will not be allowed to develop into new offspring

Question 28

What is a chromosome

Answer 28

long molecule found in the nucles

Question 29

what is DNA

Answer 29

contains your gentic Matirial

Question 31

how many chromes are in a human cell

Answer 31

46 (23 pairs)