Molecular biology

Molecular biology

Industry: Biology

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Molecular biology

Autonomic nervous system

Biology; Biochemistry

A functional division of the peripheral nervous system that consists of those pathways that are under involuntary control, e.g those that regulate the gastrointestinal tract and glandular function.

Bio-inorganic

Biology; Biochemistry

Descriptive of biochemical materials that include elements, frequently metals, not popularly associated with them, e.g. Fe-S redox proteins, cobalamin, Zn fingers, the Fe-Mo centre of nitrogenase.

Transcriptional activation

Biology; Biochemistry

The process of separation of strands of DNA at which replication will commence. Short RNA sequences hold apart the DNA strands to allow a primosome to bind and synthesise primers of DNA synthesis.

Concerted reaction

Biology; Biochemistry

A chemical or enzymic reaction in which several operations, e.g. attachment of an incoming group and departure of a leaving group, occur simultaneously and on opposite sides of the reaction center.

Growth cone

Biology; Biochemistry

In a developing or regenerating neuron, the leading edge of a focus of dendrite extension, which is responsive to environmental cues that determine its growth rate and the direction of that growth.

Chemical shift

Biology; Biochemistry

In nuclear magnetic resonance, the modulation of field strength necessary to achieve the resonance frequency characteristic of a particular atom in a particular chemical, i.e. bonding, environment.

Processivity

Biology; Biochemistry

The property of an enzyme that acts repetitively on a single macromolecule, such as a polymerase on its template or a kinesin on myosin, to remain attached to the polymer between cycles of action.