For all cells where protein synthesis occurs, which base pair is found only in mRNA?
A. adenine : thymine
B. uracil : adenine
C. cytosine : uracil
D. cytosine : guanine

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

If you want to double a batch of brownies you must have double the ingredients before you start cooking similarity a cell must double its contents including its dna prior to dividing