1. A mole of ethyl alcohol weighs 46 g. How many grams of ethylalcohol are needed to produce 1 L of a 2-millimolar (2 mM)solution?

2. Acid percipitation has lowered the ph of a particular lake to 4.0. what is the hydrogen ion concentration of the lake ?

3. Describe a physiological process associated with the ANS. Everyone needs a unique process.

4. Why is it that genomic DNA is amplified and not mRNA?