RNA polymerase is an enzyme that synthesis mRNA on a DNA template.
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- Laminar airflow
Laminar airflow is the flow of air currents in which streams do not intermingle; the air moves along parallel flow lines.
- Ultra filtration
Ultra filtration is a method for the removal of all but the very smallest particles, e.g., viruses, from a fluid medium.
Virion is the complete mature virus in the bloodstream.
Gonidium is an asexual reproductive cell arising in a special or gan in eucaryotes.
Aperture is the magnitude of the angle subtended by the optical axis and the outermost rays still covered by the objective.
Exudate is the more or less fluid material found in a lesion or inflamed tissue.
Phylum is a taxon consisting of a group of related classes.