A) protein
B) nucleic acid
C) plasmids
D) amino acids
Correct Answer: D
Solution :
The arrangement of three successive bases singnifies amino acids. If the sequence of the base pair is changed or even if any one the base pair is replaced then the amino acid for which it codes also changes. The nucleic acid is in form of DNA or RNA. The DNA of a cell codes for the synthesis of m-RNA which in turn codes for the production of a polypeptide, which form the protein. Plasmid is a selfreplicating, extrachromosomal segment of DNA.
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