controls which substances may enter and leave the cell
2 of 16
What does a cytoplasm do?
Is the site of all chemical reactions
3 of 16
What is the purpose of staining cells?
So that more structures are seen clearly under the microscope
4 of 16
What do plant cells also have?
A cell wall,vacuole and chloroplasts
5 of 16
What does the cell wall do?
It's made of cellulose. It protects the cell contents and gives the plant cell a permanent shape. The cell wall is slightly flexible and will stretch as the plant cell fills the water.
6 of 16
What does the vacuole do?
It contains water and dissolved minerals.
7 of 16
What do the chloroplasts do?
They are only found in plant cells that are green. Chloroplasts contain the green pigment chlorophyll. Chlorophyll is used to make food for the plant by a process called photosynthesis.
8 of 16
What is the definition of diffusion?
Molecules move from where they are in high concentration to where they are in low concentration down a concentration gradient.
9 of 16
What is the definition of osmosis?
Osmosis is the movement of water from an area of high concentration,to an area of low concentration,down a concentration gradient and through a selectively permeable membrane.
10 of 16
What is mitosis?
Mitosis is cell division. It's the process whereby one cell divides into two.
11 of 16
State 3 reasons why living cells need energy
Living cells need energy for cell division,maintenance of body temperature,mechanical work and chemical work.
12 of 16
What does SAM stand for?
starch-amylace-maltose
13 of 16
What does G1PPS stand for?
glucose 1 phosphate-phosphorylase-starch
14 of 16
What does HPCOW stand for?
hydrogen peroxide-catalase-oxygen+water
15 of 16
What does FLYFAG stand for?
Fat-lipase-fatty acids+glycerol
16 of 16
Other cards in this set
Card 2
Front
What does a cell membrane do?
Back
controls which substances may enter and leave the cell
Comments
No comments have yet been made