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cells (Characteristics of living things (Movement (Towards (food, water),…
cells
Characteristics of living things
Movement
Towards
food
water
Away From
predators
Poisons
Respiration
Ability to release energy from food
Sensitivity
Respond to surroundings
Camel
Hump
Reproduction
Continue the species
prevent extinction
Growth
Keep family safe
Compete to be alpha
Excretion
Remove waste
Urea
CO2
Nutrition
provide your body with energy
Carbs
Vitamins
Minerals
Proteins
Fats
Specialised cells
red blood cells
carries oxygen around the body
White blood cells
fights disease
Stem cells
Cell differetiation
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when the cell changes to be specialised
different organelles
un-differentiated cells
stem cells
can divide to make more
can be grown in a lab
cure disease
can be contaminated by viruses
in embryos can become anything
in adults their use is slightly more limited
Levels of organisation
Eukaryotic cells
Complex
Animals and Plants
Nucleus
contains Genes and DNA
controlls the cell
Cell Membrane
outer surface of the cell
controls what goes in and out
Cytoplasm
where chemical reactions happen
Mitochondria
where aerobic respiration happens
Aerobic: with oxygen
ribosomes
where proteins are made
Just plants
chloroplasts
where photosythisis happens
contains chlorophyll
Green
used for photosythisis
Cell wall
made from cellulose
surrounds the membrane
strengthens the cell
Vacuole
Contains/stores
Sugar
Salt
CELLS