52. Why are enzymes essential to organisms?
a. They are catalysts for biochemical reactions in cells
b. They provide short term and long-term energy for the cells
c. They provide instructions for protein synthesis and determine traits
d. They create semipermeable barriers in the cell that separates the inside and outside of the cell.

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)