Effects of Potential of Hydrogen

1. if you were testing the effects of Potential of Hydrogen on flower production with the use of control and experimental groups, what is correct?

-change the pH and amount of times it is watered

-change the pH and amount of light

-change the pH and the soil

-you only change the pH

2. What molecule will sit in a membrane near unsaturated fatty acids?

-amino acid

-nucleotide

-cholesterol

-hormone