Time (min)
Rate of
Diffusion for
1 Crystal
(mm/hr)
Rate of
Diffusion for
3 Crystals
(mm/hr)
Rate of
Diffusion for
6 Crystals
(mm/hr)
0-10
I
0-20
0-30
Rate (mm/h] = (diameter [mm] / time [min]) x 60 [min]
How to Measure

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

How much carbon is stored in the atmosphere as co2