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March 1, 2015

March 1, 2015

Posted by **Anonymous** on Friday, November 28, 2008 at 9:02pm.

Measure the cube that you are given. Complete the chart on the next page for your cube, then fill in the spaces for two other cubes, one measuring 1 cm on an edge and the other measuring 0.5 cm on a side. The ratio of surface area volume should be divided so that it is expressed as square cm per cubic cm.

Your Cube:

(1)Length of 1 Edge- 2.5

(2)Area of One Side- 6.25

(3)Total Surface Area- 37.5

(4)Volume- 2.5 squared

(5)Ratio of SA/Volume (reduced to /1 cc)-

1 cm cube:

(1) 1

(2) 1

(3) 6

(4)1 squared

(5)?

.5 CM cube:

(1) .5

(2) .25

(3) 18

(4) .5 squared

(5) ?

Please check the above math and help. Also:

1. If a cell is made smaller and smaller, what happens to the ratio of surface area to volume. (It Decreases?)

2. Of what value is it to a cell to have a large surface area to volume ratio?

3. How does having small cells affect the metabolic rate that is possible in these cells?

Thanks

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