15: Genes and Proteins

Supplement to OpenStax Biology 2e for Norco College · LibreTexts

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    Since the rediscovery of Mendel’s work in 1900, the definition of the gene has progressed from an abstract unit of heredity to a tangible molecular entity capable of replication, expression, and mutation. Genes are composed of DNA and are linearly arranged on chromosomes. Genes specify the sequences of amino acids, which are the building blocks of proteins. In turn, proteins are responsible for orchestrating nearly every function of the cell. Both genes and the proteins they encode are absolutely essential to life as we know it.

    Thumbnail: RNA Polymerase producing mRNA from a double-stranded DNA template. (CC BY-SA 3.0; Thomas Splettstoesser via Wikimedia Commons).

    This page titled 15: Genes and Proteins was last modified on Wed, 30 Aug 2023 20:22:28 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform.