A) DNA is denatured when heated up to 70°C
B) DNA shows high absorption of UV radiation at 260 mp
C) DNA directly participates in protein synthesis
D) Pyrimidines of DNA are cytosine and thymine
Correct Answer: C
Solution :
DNA does not take part directly in protein synthesis. Firstly DNA synthesize rnRNA by transcription. This mRNA brings the information regarding the type of protein to be synthesized by cell. Therefore, RNA takes part directly in protein synthesis.
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