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module 1: cells as the basis of life (IQ1: cell structure (models (fluid…
module 1: cells as the basis of life
IQ1: cell structure
technologies
light microscope
electron microscope
transmitting electron microscope
scanning electron microscope
confocal microscopy
scaled cell diagrams
models
visualisation
make hypothesis
explanation
fluid mosaic model
structure
phospholipid bilayer
cholesterol
hydrophilic heads
hydrophobic tails
protein
glycoprotein
transport protein
prokaryote
no membrane bound organelles
eukaryote
membrane bound organelles
bigger in size
organelles
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IQ2: cell function
movements of materials
passive
osmosis
diffusion
concentration gradient
high ---> low
does not require energy (hence passive)
active
low ---> high
requires energy (hence active)
endotysis
exotysis
SA:V
agar cubes
cell requirements
matter
gas
ions
nutrients
chemical energy from complex molecules
light energy
removal of wastes
biochemical processes
photosynthesis
light dependent
light independent
cellular respiration
aerobic
O2 present
glycolosis
krebs cycle
electron transport chain
anaerobic
absence of O2
alcohol fermenation
lactic acid fermentation
enzymes
function
catalysts
effects of the environment on activity
PH
temperature
substrate concentration
coenzymes and cofactors
models
lock and key
induced fit
structure
active site
proteins
working scientifically
models
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data
qualitative data
quantitative data
WS report
validity
reliability
accuracy
