cells

Question 1

what is the difference between a prokaryote and a eukaryote?

Answer 1

a prokaryote does not have membrane bounded organelles
example : bacteria
a eukaryote has membrane bounded organelles
example : animals and humans

Question 2

define an organelle

Answer 2

a membrane bounded structure that has a specialised function

Question 3

what is the cell theory?

Answer 3

all living things are made up of cells
all cells come from pre existing cells
cells are the basic units in which processes of living take place

Question 4

what is permeability?

Answer 4

the ability to pass through

Question 5

what is the current model of the plasma membrane?

Answer 5

fluid mosaic model

Question 6

what are the roles of the plasma membrane?

Answer 6

separates a cell from its external environment
acts as a barrier
maintains concentration gradient

Question 7

what are the 3 types of microscopes?

Answer 7

TEM SEM and light microscope

Question 8

distinguish differences in plant cells and an animal cells?

Answer 8

plant cells have one single vacuole , a cell wall and chloroplast
animal cells have multiple vacuoles and have no chloroplast