cells and movements in and out of them

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  • Created by: amy
  • Created on: 07-05-13 19:00
magnification equalls
size of image /size of object
1 of 20
what is resolution
the mimium distance 2 objects can be in order to see them apart
2 of 20
what 3 things does a solution for cell fractionation need to be
cold , isotonic, buffered
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what is homognation
cells being broken up in a blender
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what is ultracentrifugation
the spinning of the filtrate at high speed to separate out contents
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what is a electron microscope
a microscope that uses a beam of electrons to create the image
6 of 20
how are tem and sem different
sem looks at the surface of the specimen and tem lookes at the cross sectional are
7 of 20
what structures are in every cell
nucleus,mitochondrion,endoplasmic reticulum,golgi apparatus lysomes ,ribsomes
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what are micro vili
small projections on the epithelium cells to make larger surface area
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what are lipids made of
glycerol and 3 fatty acids
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what is a phospolipid
a lipid with one less fatty acid and a phosphate attached
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what is the fluid mosaic model
the model in which the cell membrane obeys so that things can easily pass in a out
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what is diffusion
the passive movement of small molecules through the cell wall
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what is facilitated diffusion
the passive movement of larger molecules through proteins
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what is the rate of diffusion
surface are times difference in concentration divide by length of diffusion pathway
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what is osmosis
the passive movement of water from higher water potential to lower water potential
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what is active transport
the movement of larger molecules using atp
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what is co transport
when glucose is moved into the cell by using sodium and potassium pump
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what is cholera
a water born disease that is abundant in poorer countries which has a flagella and causes many stomach problem
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what is oral re hydration therapy
when a mixture of water ,sugars and ions are given to restore the bodies balence from a doisease like cholera
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Card 2

Front

what is resolution

Back

the mimium distance 2 objects can be in order to see them apart

Card 3

Front

what 3 things does a solution for cell fractionation need to be

Back

Preview of the front of card 3

Card 4

Front

what is homognation

Back

Preview of the front of card 4

Card 5

Front

what is ultracentrifugation

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