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activator

activator
1. A type of transcription factor that enhances the transcription of a gene by binding to a region of DNA called an enhancer. Compare repressor.

2. A substance that – by binding to an allosteric site on an enzyme – enables the active site of the enzyme to bind to the substrate.

3. Any compound that potentiates the activity of a drug or other foreign substance in the body.

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"activator." A Dictionary of Biology. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"activator." A Dictionary of Biology. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator-2

"activator." A Dictionary of Biology. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator-2

activator

activator A metal ion that functions in conjunction with either an enzyme or its substrate in order to bring about a reaction.

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"activator." A Dictionary of Ecology. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"activator." A Dictionary of Ecology. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator

"activator." A Dictionary of Ecology. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator

activator

activator A metal ion that functions in conjunction with either an enzyme or its substrate in order to bring about a reaction.

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"activator." A Dictionary of Plant Sciences. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"activator." A Dictionary of Plant Sciences. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator-0

"activator." A Dictionary of Plant Sciences. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator-0

activator

activator A metal ion that functions in conjunction with either an enzyme or its substrate in order to bring about a reaction.

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"activator." A Dictionary of Zoology. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"activator." A Dictionary of Zoology. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator-1

"activator." A Dictionary of Zoology. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/activator-1

activator

activator (ak-ti-vay-ter) n. a substance that stimulates a chemical change or reaction.

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"activator." A Dictionary of Nursing. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"activator." A Dictionary of Nursing. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/activator

"activator." A Dictionary of Nursing. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/activator