Assertion: dna's sequence | /r/HasProperty | required
Facets:
value: for producing an mrna molecule
type: PURPOSE
Source sentences:
text: Therefore, a sequence of three bases is required to ensure enough combinations or "words" to code for all 20 amino acids.
text: Generally speaking, expression of a foreign gene requires restructuring the gene to include sequences that are required for producing an mRNA molecule that can be used by the host's translational apparatus (e.g. promoter, translational initiation signal, and transcriptional terminator).