Nucleid acid that carries genetic information in cells and consist of two complementary chains of nucleotides wound in a double helix.
Group of single-stranded nucletic acids, including mRNA (messenger RNA) that is necessary for transcription and translation.
Three adjacent nucleotides in DNA or mRNA that code for a specific amino acid.
A change in the DNA sequence of a gene.
A large molecule consisting of one or more chains of amino acid.
Building blocks of protein molecules.
Nuclear divison characterized by chromosomes replication and formation of two identical daughter nuclei.
Structures of DNA and proteins in the nucleus of cells, where genes are located.
A process where the chromosomes are duplicated.