The genetic code uses four bases taken in groups of three for each code.
a. How many of these base groups are possible?
b. Is this enough to establish a code for each of the 20 amino acids found in proteins?
c. Imagine a genetic code that uses only two bases but uses groups of four of these bases for the genetic code. How many different groups of this type are possible?
d. Is this enough to establish a code for each of the 20 amino acids found in proteins?
e. Devise a hypothetical code of this type for the 20 amino acids in proteins. Then, using this code, write the base sequence for the tripeptide leu-ala-val.