Examlex
Which of the following has the greatest number of nonbonding pairs of electrons?
Post-transcriptional Modification
The process of chemical changes to RNA transcripts after synthesis, affecting their stability, localization, and translation into proteins.
Poly-A Tail
A stretch of adenine nucleotides added to the 3' end of a newly synthesized pre-mRNA molecule in eukaryotic cells, protecting the mRNA from degradation and aiding in its export from the nucleus.
DNA Molecule
The carrier of genetic information, consisting of two long chains of nucleotides twisted into a double helix.
Promoter
In DNA, a sequence that is a site where RNA polymerase binds and begins transcription.
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