Which bases are found in a strand of dna?

Who discovered tuberculosis bacteria?

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?

How many neutrons does element x have if its atomic number is 29 and its mass number is 86?