Finding the complimentary bases always follows the same rules- the only difference is the use of uracil "U" instead of thymine "T"... so instead of replacing "A" adenine with "T" thymine, we replace it with "U" uracil
Antibiotics are compounds produced by bacteria and fungi which are capable of killing, or inhibiting, competing microbial species. ... But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St.