Q1. Describe the controlled experiment that might have produced the data shown for either temperature or pH on enzyme activity. Be sure to declare the hypothesis that was tested here.

Q2. An RNA molecule has the follow percentages of bases: A= 23%, U=42%, C=21 % and G=14%. Is this RNA single stranded or double stranded, how may you tell? What would be the percentages of bases in template strand of the DNA that contains the gene for this RNA?

Assume that a mutation occurs in an intron of a gene encoding a protein. What would the most probable effect of the mutation be on the amino acid sequence of that protein?