Nucleic Acids

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Introduction to DNA and RNA

Correspondre au texte (cliquer et faire glisser)   

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Correspondre au texte

Nucleic acids

DNA + RNA

The genome

Structure of DNA

Structure of RNA

Nucleotide

DNA

RNA

Purines

Pyrimidines

Adenine and Guanine

Cytosine, Thymine and Uracil

Nucleoside

Bonding of nucleotides in DNA

Cliquer et faire glisser

Benzene rings with nitrogen substituted for carbons 1 and 3 and have imidazole rings attached to them

Four different types of nucleotides that are arranged in different sequences

Units of heredity

Pyrimidines

Benzene rings with nitrogen substituted for carbons 1 and 3

Nitrogenous base bound to the sugar

Variety of shapes

The 3'OH of sugar of one nucleotide is linked to the phosphate group on the 5'OH of the adjacent sugar. The chain has two ends 5' and 3'

Double helix made up of two nucleic acid polymers that wrap around each other

Sugar lacks an oxygen atom

Purines

Linear polymers of nucleotides

Sugar has the oxygen atom

A nitrogenous base, a sugar molecule and one or more phosphate groups


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