lesson 2 sizes of cells Flashcards

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1
Q

what does centi means

A

1/100th

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2
Q

1 centimetre (cm) is 1/100th of a…

A

metre

(1cm= 1x10^-2m)

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3
Q

if we divide 1cm by 10 equal parts we have….

A

1mm (millimetre)

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4
Q

milli means…

A

1/1000th

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5
Q

1 millimetre is 1/1000th of a….

A

metre

(1x10^-3m)

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6
Q

micro means…

A

1/1 000 000th

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7
Q

1 micrometre is 1/1 000 000th of a …..

A

metre

(1μm= 1x10^-6m)

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8
Q

what is the unit for micrometres

A

μm

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9
Q

how long is a typical human cell

A

10-20 μm

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10
Q

what does nano mean

A

1/1 000 000 000th of a metre (billionth

(1x10^-9m)

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11
Q

how long is a molecule of haemoglobin

A

5nm

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