Select the best answer or answers from the choices given: If DNA has a sequence of AAA, then a segment of mRNA synthesized on it will have a sequence of (a) TTT, (b) UUU, (c) GGG, (d) CCC.
Select the best answer or answers from the choices given: If DNA has a sequence of AAA, then a segment of mRNA synthesized on it will have a sequence of (a) TTT, (b) UUU, (c) GGG, (d) CCC.
The nucleotides are formed by crosslinking three chemicals namely orthophosphoric acid (H3PO4), deoxyribose sugar (C5H10O4) in the case of DNA and ribose sugar (C5H10O5) in the case of RNA and a nitrogen base.
There are four nitrogen bases divided into two groups: purines and pyrimidines.
The two types of purines are adenine or A and guanine or G and two types of pyrimidines are cytosine or C and thymine or T. In the case of RNA in place of thymine or T another pyrimidine known as uracil or U is present. Nucleotide A base pairs with T (U in case of RNA) by forming two hydrogen bonds and C base pairs with G by forming three hydrogen bonds.
DNA sequence – AAA
mRNA sequence – UUU
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