Homework Help: Biology

Posted by Lily on Tuesday, August 23, 2011 at 6:27am.

Hey! :)
When looking at the surface area to volume ratio of a cell it's meant to be that the larger this ratio the more efficient the cell is in diffusion etc. I don't get how a ratio of 6:1 though could be the larger ratio in comparison to 54:27...Im just confused with this...to me 54:27 looks like it should be seen as the larger ratio?
Any help would be very much appreciated :)
Thanks!

Biology - drwls, Tuesday, August 23, 2011 at 6:42am
54:27 is really a 2:1 ratio.
The size of the numbers is not what matters. It is the quotient you get when you divide one by the other. How many of (A, numerator) per unit of (B, denominator)

A 6:1 ratio is much higher than a 2:1 ratio.
Biology - Lily, Tuesday, August 23, 2011 at 6:44am
Thankyou so much! :)

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