Molecular biology
Molecular Biology
Molecular biology (/məˈlɛkjʊlər baɪˈɒlədʒi/) is a branch of biology that concerns the molecular basis of biological activity in and between cells, including molecular synthesis, modification, mechanisms and interactions.
Etymology
The term "molecular biology" was first used by Warren Weaver in 1938. The term combines "molecule" (/ˈmɒlɪkjuːl/), from the Latin "moles" meaning "mass", and "biology" (/baɪˈɒlədʒi/), from the Greek "βίος" (bios) meaning "life" and "-λογία" (-logia) meaning "study of".
Related Terms
- DNA: Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- RNA: Ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.
- Protein Synthesis: The process in which cells build proteins according to the directions in the DNA.
- Genomics: The study of all of a person's genes (the genome), including interactions of those genes with each other and with the person's environment.
- Proteomics: The large-scale study of proteins, particularly their structures and functions.
See Also
External links
- Medical encyclopedia article on Molecular biology
- Wikipedia's article - Molecular biology
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