Tail of mRNA is:
Correct answer: A. Poly A
- A. Poly A
- B. Poly C
- C. Methyl GTP
- D. Methyl ATP
Explanation
The tail of mRNA is called the poly(A) tail. It consists of a string of adenine nucleotides added to the 3' end of the mRNA molecule after transcription. This poly(A) tail plays roles in mRNA stability, export from the nucleus, and translation efficiency.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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