How can the production of certain proteins be prevented inside cells?

What feature of cell theory is best demonstrated in the image

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)

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca