1. 2.1.4 - 2.1.7:
Size and Emergent Properties
2.1: Cell Theory
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2. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
Virus = 50 - 100nm
1nm = 1/1000µm
or 10-9m
3. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
Virus = 50 - 100nm
1nm = 1/1000µm
or 10-9m
4. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
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5. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
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6. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Compare: Give an account of similarities and differences between two (or more) items, referring to both (all)
of them throughout.
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7. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
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8. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Small sizes 1µm = 10-6m =1/1000 of mm
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9. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell
Small sizes 1µm = 10-6m =1/1000 of mm
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10. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
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11. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell
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12. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
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13. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
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cebitz.
com
14. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria
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15. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
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16. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
Virus
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17. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
Virus = 50 - 100nm
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18. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
Virus = 50 - 100nm
1nm = 1/1000µm
or 10-9m
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19. 2.1.4: Compare the relative sizes of molecules, cell membrane thickness, viruses,
bacteria, organelles and cells, using the appropriate SI unit.
Plant Cell = 100µm
Small sizes 1µm = 10-6m =1/1000 of mm
Animal Cell = 10µm
Bacteria = 1µm
Virus = 50 - 100nm
1nm = 1/1000µm
or 10-9m
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20. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
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21. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
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22. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
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23. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
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24. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
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25. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
Real size
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26. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
1 mm 1 mm
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
Real size
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cebitz.
com
27. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
1 mm 1 mm
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
Real size
Magnification =
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28. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
1 mm 1 mm
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
Real size
Magnification =
Image Size
Real Size
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cebitz.
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29. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
1 mm 1 mm
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
Real size
Magnification =
Image Size
Real Size
=
100
2
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cebitz.
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30. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
1 mm 1 mm
D
ata
E
xercise
B
ackground
Inform
ation
Growth Stages of the brine shrimp
Artemia franciscana
1 mm
cm
Drawing size
Real size
Magnification =
Image Size
Real Size
=
100
2
x50
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31. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
Magnification = x100
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32. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
Magnification = x100
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33. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
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34. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
Real size =
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35. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
Real size =
Magnification
Image Size
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36. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
Real size =
Magnification
Image Size
=
1
100
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37. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
Real size =
Magnification
Image Size
=
1
100
= 0.01mm
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38. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
Real size =
Magnification
Image Size
=
1
100
= 0.01mm 10µm=
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39. 2.1.5: Calculate the linear magnification of drawings and the actual size of specimens
in images of known magnification.
mm
Magnification = x100
Real size =
Magnification
Image Size
=
1
100
= 0.01mm 10µm=
µm
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40. 2.1.7: State that multicellular organisms show emergent properties.
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41. 2.1.7: State that multicellular organisms show emergent properties.
Cerebellum
Frontal lobe
Brain stem
Neurones
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42. 2.1.7: State that multicellular organisms show emergent properties.
Understanding the smallest parts of organs
on their own does not allow us to
understand the whole
Cerebellum
Frontal lobe
Brain stem
Neurones
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43. 2.1.7: State that multicellular organisms show emergent properties.
Understanding the smallest parts of organs
on their own does not allow us to
understand the whole
Add together the parts of the brain and
priorities emerge which we could not have
predicted by just understanding the individual
parts
Cerebellum
Frontal lobe
Brain stem
Neurones
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44. 2.1.7: State that multicellular organisms show emergent properties.
Understanding the smallest parts of organs
on their own does not allow us to
understand the whole
Add together the parts of the brain and
priorities emerge which we could not have
predicted by just understanding the individual
parts
New unpredicted properties arise
Cerebellum
Frontal lobe
Brain stem
Neurones
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