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BIOLOGICALLY IMPORTANT MACROMOLECULES NUCLEIC ACIDS.

Published byNaomi Stephanie Henry Modified over 9 years ago

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Presentation on theme: "BIOLOGICALLY IMPORTANT MACROMOLECULES NUCLEIC ACIDS."— Presentation transcript:

1 BIOLOGICALLY IMPORTANT MACROMOLECULES NUCLEIC ACIDS

2 Two types of nucleic acids exist: Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA)

3 NUCLEIC ACIDS Monomer for a nucleic acid: Nucleotide subunits (sugar, nitorgenous base, phosphate)

4 NUCLEIC ACIDS Functions of Nucleic Acids: DNA -Contains genetic information which is decoded into amino acid sequences of proteins RNA - Assists in the conversion of genetic information in DNA into the amino acid sequence

5 NUCLEIC ACIDS Differences between DNA and RNA DNARNA SUGARDeoxyriboseRibose BASEAdenine, Guanine, Thymine, Cytosine Adenine, Guanine, Uracil, Cytosine PHOSPHATEPhosphate

6 NUCLEIC ACIDS Many nucleotides together form a strand via CONDENSATION/DEHYDRATION SYNTHESIS reactions which form PHOSPHODIESTER BONDS between the phosphate group on one nucleotide and a hydroxyl group on the sugar of the next nucleotide in the strand

7 DNA -Double stranded -Sugar-phosphate backbone -Purine-Pyrimidine base pairing -Adenine-Thymine (double bond) and Cytosine-Guanine (triple bond)

8 DNA

9 RNA -Single stranded -Sugar-phosphate backbone -No base pairing

10 RNA

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