dna is composed of building blocks called _____.
For unlimited access to Homework Help, a Homework+ subscription is required.
Describe in detail the structure of a DNA molecule including the basic building blocks and how they are arranged. Explain how the molecule stores genetic information and also how that information can be changed.
There are 22 proteinogenic amino acids, the building blocks of all the proteins in living organisms. What is the significance of using a three-nucleotide sequence in the codons found in the DNA of genes, mRNA and tRNA?