cell structure

Question 1

define eurkaryotic

Answer 1

contains a nucleus

Question 2

define prokaryotic

Answer 2

does not contain nucleus

Question 3

name two processes witch molecules can move through cell membranes

Answer 3

diffusion
osmosis

Question 4

name an organelle other than the nucleus which contains genetic material

Answer 4

mitochondria

Question 5

define protoplasm

Answer 5

all the living parts of the cell

Question 6

define cytoplasm

Answer 6

the living material in a cell outside the nucleus

Question 7

define ultrastructure

Answer 7

the detail of a structure as seen using an electron microscope

Question 8

cell wall

Answer 8

made of cellulose
gives cell strength and protection

Question 9

vacuole

Answer 9

contains fluid called cell sap
gives cell strength ands stores materials

Question 10

cell membrane

Answer 10

made of phospholipids and proteins
controls what enters and leaves the cell

Question 11

nucleus

Answer 11

control centre of cell

Question 12

cytoplasm

Answer 12

contains organelles e.g. mitochondria chlorplast and ribosomes

Question 13

mitochondria

Answer 13

supply energy to the cell by respiration

Question 14

chloroplast

Answer 14

contain green pigment chlorophyll
where photosynthesis takes place

Question 15

cell wall

Answer 15

fully permeable
only plants

Question 16

ribosomes

Answer 16

make proteins
made of RNA and proteins