In eukaryotes, what does the mRNA transcript contain? Single choice
A
The primary mRNA transcript contains both intronic and exonic regions.
B
The mature mRNA transcript contains both introns and exons.
C
The mature mRNA transcript only contains the introns because the exons have been spliced out.
D
The primary mRNA transcript only contains the exons because the introns have been spliced out.
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A gene encodes a pre-mRNA with 5 exons and 4 introns. A mutation eliminates the 3’ splice site from intron 3. What exons would be found in the mRNA after splicing was completed?
In eukaryotic cells, the initial RNA transcript (pre-mRNA) contains non-coding segments called [ Select ] spliceosomes promoters exons introns polymerase that intervene between coding regions. Before the RNA leaves the nucleus, a large protein-RNA complex called the [ Select ] introns polymerase exons ribosomes spliceosomes removes these non-coding parts and joins the coding regions, known as [ Select ] promoters spliceosomes polymerase exons introns together. This process allows a single gene to encode multiple different proteins depending on which segments are treated as coding.
In eukaryotic cells, the initial RNA transcript (pre-mRNA) contains non-coding segments called [ Select ] polymerase exons promoters spliceosomes introns that intervene between coding regions. Before the RNA leaves the nucleus, a large protein-RNA complex called the [ Select ] introns polymerase exons ribosomes spliceosomes removes these non-coding parts and joins the coding regions, known as [ Select ] spliceosomes introns polymerase exons promoters together. This process allows a single gene to encode multiple different proteins depending on which segments are treated as coding.
Question at position 88 Eukaryotic mRNAs that have not been spliced can be translated.TrueFalse
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