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5033818
Cell Structure & Analysis
Description
AS - Level Biology Unit 1 Mind Map on Cell Structure & Analysis, created by humza tahir on 05/04/2016.
No tags specified
aqa as-biology revision poster
biology unit 1
as - level
Mind Map by
humza tahir
, updated more than 1 year ago
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Created by
humza tahir
over 8 years ago
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Resource summary
Cell Structure & Analysis
Eukaryotic Cells
Have a Nucleus
Organelles
Nucleus
Ribosomes
Mitochondria
Smooth ER
Rough ER
Nucleolus
Lysosomes
Golgi appratus
Vessicles
Cytoplasm
Chloroplasts - Plant and Algal cells
Cell wall - Plant, Algal & Fungal cells
Cell membrane
Prokaryotic Cells
No Nucleus
Organelles
Plasmids
Cytoplasm
Ribosomes
Cell wall
Cell membrane
Capsule (Some)
Pilus
Flagella
Free floating DNA
Analysis Of Cells
Conditions
Isotonic - Maintain water potential
Prevent organelles bursting or shrinking
Buffer - Maintain Ph
Ice Cold - prevent/ lower enzyme activity
Filtration - Remove any debris
Homogenisation - Release organelles
Microscopes
Optical
Low magnification
Low Resolution
Cheap
Electron
Scanning
3D Image
Thick specimen
Lower Resolution than Transmission
Scan beam of electrons across sample
Tranmission
Higher Resolution
Thin specimen
Dead samples only
Beam of focused electrons
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