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Post-transcriptional modification of mRNA include: i. Removal of exons ii. Addi…

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Wize University Biology Textbook > Transcription and Translation

RNA Maturation in Eukaryotes

5 Activities

Post-transcriptional modification of mRNA include:

i. Removal of exons
ii. Addition of a poly-U tail
iii. Addition of a 3' cap
iv. Occurs within the cytoplasm
v. Is accomplished by the ribosome

More RNA Maturation in Eukaryotes Questions:
tRNA processing
Explain the steps of pre-mRNA processing to produce mature mRNA.
Where in a gene would a 2-bp deletion mutation have the least effect on gene expression?
Which of the following are understood by the eukaryotic cell as RNA in the nucleus? - Practice Question
Which of the following are understood by the eukaryotic cell as RNA in the nucleus?
Start codon
Intron-exon boundaries
The diagram represents regions around a gene encoding a mRNA. The translation initiation codon (AUG) is present in exon 1 of the mRNA. The stop codon (UGA) is present in exon 4.
Where is the guanylated cap added to the mature mRNA?
The diagram represents regions around a gene encoding a mRNA. The translation initiation codon (AUG) is present in exon 1 of the mRNA. The stop codon (UGA) is present in exon 4.
Where is the poly(A) tail added to the mature mRNA?
Which of the following statements are false?
i. Introns are the coding regions in DNA
ii. Exons are the non-coding regions in DNA
Which of the following are understood by the eukaryotic cell as RNA in the nucleus? - Practice Question
Which of the following are understood by the eukaryotic cell as RNA in the nucleus?
Is it possible for a gene to be coded for within an intron of another gene?
Which of the following are neither transcribed nor translated?
TATA box
Enhancer
If a single base pair was inserted into DNA coding for the second exon of a eukaryotic mRNA transcript with three exons and two introns, which of the following statements is most likely true about the resulting protein?
Which of the following statements are true regarding open reading frames of a gene?
They do not code for proteins
They represent a complete gene
The following diagram represents a primary mRNA transcript where the black regions represent exons and the white regions represent introns. If the transcript was alternatively spliced at splice sites 2 and 3; and at site 6, the resulting mature mRNA transcript would contain which exons?
Which of the following best describes RNA splicing?
Where in a gene would a 2-bp deletion mutation have the least effect on gene expression?
tRNA processing
Explain the steps of pre-mRNA processing to produce mature mRNA.