Examlex
Which of the following statements is CORRECT?
pre-mRNAs
The precursor mRNA transcripts that are synthesized from DNA and contain both introns and exons, which are modified and spliced to form mature mRNA.
Phosphate Group
A functional group consisting of a phosphorus atom covalently bonded to four oxygen atoms, important in energy transfer and storage.
Promoter Sequence
A specific region of DNA upstream of a gene that binds RNA polymerase and initiates transcription of the gene.
Transcription
The process of copying a segment of DNA into RNA by the enzyme RNA polymerase.
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