an animation showing the process of dna transcription, with rna polymerase synthesizing mrna

dna molecule double helix spiral sugar phosphate backbone nitrogenous base adenine guanine thymine cytosine complementary pairing gc genetic code heredity chromosome gene nucleus cell mitosis meiosis replication transcription translation protein synthesis mutation variation fingerprinting pcr engineering biotechnology therapy personalized medicine sequencing rna ribosome mrna trna structure