The DNA Kit contains materials to address the following concepts:  • Molecular structure of the double helix • Parts of a nucleotide • Pairing of complementary N-bases • The antiparallel nature of DNA nucleotides • DNA replication Included in this kit you will find the following pieces: DNA nucleotide, Thymine w/Letters (1) DNA nucleotide, Thymine w/o Letters (10) DNA nucleotide, Adenine w/Letters (1) DNA nucleotide, Adenine w/o Letters (10) DNA nucleotide, Cytosine w/Letters (1) DNA nucleotide, Cytosine w/o Letters (10) DNA nucleotide, Guanine w/Letters (1) DNA nucleotide, Guanine w/o Letters (10) DNA polymerase (1) Helicase (1)