Relate the four chemicals on the rungs of a dna ladder to the letters of our alphabet. describe the code these "letters" can form. what does the code do?
The 4 letters are A, T, G, and C. Adenine (A) always pairs with Thymine (T) and Guanine (G) always pairs with Cytosine (C). These are nucleic acids that are used to store and transfer genetic information