What is the name of the nucleotide base substitute for thymine in DNA transcription and what is its purpose? adenine, to make the mRNA strand easily destroyed after use guanine, to make the mRNA strand stronger so it may be used many times uracil, to make the mRNA strand stronger so it may be used many times uracil, to make the mRNA strand easily destroyed after use

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