Examlex
In the U.S. Constitution, the fugitive slave clause kept the condition of bondage for a slave even if he or she escaped to a free state.
Barr Bodies
Inactive X chromosomes present in the nuclei of female cells, visible as dense spots, and used in genetic and gender testing.
mRNA
Messenger RNA, a type of RNA that carries genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein products of gene expression.
Transcription Activators
Proteins that increase gene expression by binding to DNA and helping RNA polymerase initiate transcription.
RNA Polymerases
Enzymes responsible for the synthesis of RNA molecules from a DNA template, a key process in gene expression.
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