Nucleic Acids.

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Presentation transcript:

Nucleic Acids

Learning Objectives Describe the relationship between nucleotides and nucleic acids Name the two types of nucleic acids

Two Types of Nucleic Acid DNA: (Deoxyribonucleic acid) Contains the instructions that controls the cell. RNA: (Ribonucleic acid) Uses instructions from DNA to build proteins.

Monomer of Nucleic Acids Nucleotide Nucleic acids are polymers assembled from individual monomers known as nucleotides.

Parts of a Nucleotide Phosphate Nitrogenous Base Sugar One sugar, one phosphate and one nitrogenous base make a nucleotide.

Structure of DNA The DNA backbone is made of alternating phosphates and deoxyribose sugar The rungs are nitrogenase bases Nitrogenous Bases = Deoxyribose Sugar = Phosphate

Function of Nucleic Acids Large complex molecules that store and transmit hereditary information for all living things

Model DNA using marshmallows

Sugar – large white 8 Phosphate – sm. white 8 Base – candy corn 8 Toothpicks 12-15

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