Some drugs that can aggravate this issue include<span> chlorpromazine, and haloperidol. These two can cause Cardiac Arrhythmia </span>
Answer:
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Explanation:
A transcriptional activator is a protein (transcription factor) that increases transcription of a gene or set of genes. Activators are considered to have positive control over gene expression, as they function to promote gene transcription and, in some cases, are required for the transcription of genes to occur. Most activators are DNA-binding proteins that bind to enhancers or promoter-proximal elements.The DNA site bound by the activator is referred to as an "activator-binding site". The part of the activator that makes protein–protein interactions with the general transcription machinery is referred to as an "activating region" or "activation domain".
Most activators function by binding sequence-specifically to a regulatory DNA site located near a promoter and making protein–protein interactions with the general transcription machinery (RNA polymerase and general transcription factors), thereby facilitating the binding of the general transcription machinery to the promoter.Other activators help promote gene transcription by triggering RNA polymerase to release from the promoter and proceed along the DNA. At times, RNA polymerase can pause shortly after leaving the promoter; activators also function to allow these “stalled” RNA polymerases to continue transcription.
The activity of activators can be regulated. Some activators have an allosteric site and can only function when a certain molecule binds to this site, essentially turning the activator on Post-translational modifications to activators can also regulate activity, increasing or decreasing activity depending on the type of modification and activator being modified.
In some cells, usually eukaryotes, multiple activators can bind to the binding-site; these activators tend to bind cooperatively and interact synergistically.
A sensor is a synthetic representation of what is known as a sense in biology. It receives and interprets those senses in a synthetic manner.
Although the software and "virtual" sensors are also conceivable, electrical or mechanical sensors predominate. A machine can employ a sensor to sense its surroundings or to gather data that can be utilised to manage operations in business and computer science. A sensor takes a physical measurement.
Radiation, pressure, temperature, magnetism, level, movement, light intensity, and chemistry are among the fields in which the quantities are found. For subsequent processing, sensors transform the observed quantity into a standardised control signal.
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Answer:
In prokaryotes, the DNA (chromosome) is in contact with the cellular cytoplasm and is not in a housed membrane-bound nucleus. In eukaryotes, however, the DNA takes the form of compact chromosomes separated from the rest of the cell by a nuclear membrane (also called a nuclear envelope).
Explanation:
