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Title: AQA AS Biology Unit 1 Cells, diffusion and absorption.
Description: Full summary of the topic.
Description: Full summary of the topic.
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Cells, diffusion and absorption
Cells
Magnification
ð Magnification – how many times the image has been enlarged
...
ð Measurements:
ð Units:
ð Millimetre (mm) – 10-3
ð Micrometre (μm) – 10-6
ð Nanometre (nm) – 10-9
ð Equation:
MAgification = Measured size
Actual size
Eukaryotic and prokaryotic cells
Eukaryotic
Prokaryotic
Diagram
Exam ples
Differences
Animal cells, plant cells and fungi
Bacteria
Organelles membrane bound
Linear chromosomes
Larger ribosomes – 80S
Golgi, lysosomes
Plants: cellulose cell wall
Mitochondria
Cilia
Not membrane bound
Plasmid
Smaller ribosomes- 70S
Absent
Peptidogly – cell wall
Mesosome
Flagella
1
Title: AQA AS Biology Unit 1 Cells, diffusion and absorption.
Description: Full summary of the topic.
Description: Full summary of the topic.