Why has so much effort been expended on studying DNA, a single molecule? One reason is that DNA could be viewed as the key to understanding life itself. Separate the following roles into those that are directly attributable to DNA and those that are not.

b c a d mark me

. ph changes the ability of them he enzyme to dissolve in water.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.