Examlex
Stratified sampling differs from quota sampling in that the sample elements are selected probabilistically rather than based on convenience or judgment.
Inactive RNA Polymerase
An RNA polymerase enzyme in a resting state that is not involved in the transcription of DNA into RNA.
Negative Control
An experiment or part of an experiment where no response is expected, serving to highlight the effect of the experimental treatment.
Repressible Genes
Genes whose expression can be decreased or turned off by the presence of a specific molecule.
Transcription
The process by which genetic information encoded in DNA is copied into messenger RNA (mRNA) for protein synthesis.
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