here is the answer,,, RNA --- IT STANDS FROM RIBO NUCLIC ACID ... ITS IS PRESENT IN OUR DNA . THE MAIN DIFFERENCE BETWEEN DNA AND RNA IS THAT IT DIFFERES ONLY IN ONE SUGAR GROUP,,,THAT IS URACIL IN RNA AND THYAMINE IN DNA ....IT IS A GENETIC MATERIAL, PRESENT IN OUR BODY WHICH CARRIES OUT GENETIC OUTPUT , TRANSLATION AND TRANSCRIPTION PROCESS IN OUR BODY ,,,,,,,,,,,,,,,