Organisms and Energy

?
Prokaryotic cell
Smaller, simpler cells eg bacteria
1 of 24
Eukaryotic cell
Complex cells which include all plant and animal cells
2 of 24
Aerobic Respiration
The chemical reactions that break down nutrient molecules in living cells to release energy
3 of 24
Aerobic Respiration equation
Glucose + Oxygen = Carbon dioxide + water vapour
4 of 24
Nucleus
Contains genetic material
5 of 24
Cytoplasm
Where many chemical reactions take place
6 of 24
Mitachondria
Where respiration happen
7 of 24
Anaerobic respiration
Releasing energy from glucose without oxygen
8 of 24
Anaerobic respiration equation (yeast)
Glucose = carbon dioxide + ethanol (+ some energy)
9 of 24
Anaerobic respiration equation (muscle cells)
Glucose = lactic acid (+ some energy)
10 of 24
Surface to volume ratio
As the size of the organisms increases the SA:V ratio gets smaller
11 of 24
Rate of diffusion
Surface area x concentration gradient / thickness of membrane
12 of 24
Chloroplasts
Absorb light energy in photosynthesis
13 of 24
Photosynthesis
An endothermic reaction which takes in CO2 and water and releases glucose and oxygen
14 of 24
Photosynthesis equation
Carbon dioxide + water = glucose + oxygen
15 of 24
Osmosis
When the water particles in a high solute concentration move across a partially permeable membrane to a lower solute concentration
16 of 24
Active transport
The movement of particles from a low concentration to a higher concentration using energy from cellular respiration
17 of 24
Xylem
Transport water and dissolved minerals in one direction only - roots to shoots
18 of 24
Phloem
Transports sucrose and amino acids up and down the stem to growing and storage tissues
19 of 24
Transpiration
Loss of water from stomata, affected by wind speed, humidity, temperature and light intensity
20 of 24
Guard cells
Control the opening and closing of the stoma
21 of 24
Rate of transpiration
Distance moved by the air bubble / time taken to move that distance
22 of 24
Potometer
Measures a plant’s rate of transpiration using its rate of water uptake as an equivalent
23 of 24
Xerophyte
A species of plant that has adapted to survive in an environment with little water
24 of 24

Other cards in this set

Card 2

Front

Complex cells which include all plant and animal cells

Back

Eukaryotic cell

Card 3

Front

The chemical reactions that break down nutrient molecules in living cells to release energy

Back

Preview of the back of card 3

Card 4

Front

Glucose + Oxygen = Carbon dioxide + water vapour

Back

Preview of the back of card 4

Card 5

Front

Contains genetic material

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Energy flow through ecosystems resources »