2.6 Structures of DNA and RNA
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Deoxyribonucleic acid(DNA)
Function: DNA contains the instructions needed for an organism to develop, survive and reproduce.
Ribonucleic acid(RNA)
Function: to convert the information stored in DNA into proteins.
Nitrogenous base(Cytosine)
Structural formular: (C4H5N3O) Function: The heredity-controlling components of the living cells as well as coenzymes.
Nitrogenous base(Guanine )
Structural formular: (C5H5N5O) Function: To power chemical reaction and involved in signaling the cell.
Nitrogenous base(Adenine)
Structural formular:(C5H5N5) Function: Building DNA and RNA ,as well as storing energy.
Nitrogenous base(Thymine)
Structural formular:(C5H6N2O2) Function: Encodes the cells genetic instruction.
Pentos suger
Function: confirms whether the polynucleotide chain is RNA or DNA. To main types: • Deoxyribose • Ribose
Complementary-based pairing
Adinine- Thymine and Cytosine -Guanine