IB Higher Bio > Calculation Skills > Flashcards

Calculation Skills Flashcards

(5 cards)

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1
Q

formula for magnification

A

magnification= size of image/actual size

ALWAYS USE THE SAME UNITS

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2
Q

formula for mitotic index

A

mitotic index= number of cells in mitosis/total number of cells

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3
Q

size examples

A 
DNA= 2nm
cell membrane= 7 nm
bacteria= 1 um
chloroplast= 5um
RBC= 7 um
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4
Q

conversions

A

1mm= 1000 um

1um= 1000 nm

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5
Q

formula for the actual size

A

size of image/magnification

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IB Higher Bio
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