first test Flashcards

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1
Q

Whats a prokaryotic cell like

A

simple, small, found in bacteria and has no nucleus

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2
Q

whats a eukaryotic cell like

A

big, complex, has a nucleus, found in plant and animal cells

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3
Q

how do you calculate total magnification

A

eyepiece magnification x objective lens magnification

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4
Q

how do you calculate size of image

A

actual size/magnification

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5
Q

whats the definition of magnification

A

how many times bigger the image of the specimen is observed in comparrison to the real life size of the speciman

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6
Q

whats the definition of resolution

A

the ability too distinguish between two separate points. If two separate points can not be resolved the image will be observed as one pint and will be unclear

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7
Q

what does the cytoplasm do

A

where chemical reactions take place

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8
Q

what does the mitochondrion do

A

where energy gets released

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9
Q

what does the cell surface membrane do

A

controls what substances move in and out

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10
Q

what does the nucleus do

A

contains genetic material and controls the cell

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11
Q

what does the ribosome do

A

where protein synthesis happens

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12
Q

what does the cellulose cell wall do

A

support the cell

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13
Q

what does the chloroplast do

A

the sight of photosynthesis

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14
Q

what does the mitochondrion do

A

the sight of aerobic respiration

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15
Q

what does the large permanent vacuole do

A

keeps the cell rigid

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16
Q

what are plasmids

A

circle shaped DNA

17
Q

how long are most bacteria cells

A

1 micro meter

18
Q

how do you get from different measurements

A

times or divide by 1000

19
Q

how do you work out magnification of an image

A

scale bar length times actual length