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Nucleotides-make up nucleic acids(DNA & RNA) (DNA (Deoxyribose pentose…
Nucleotides-make up nucleic acids(DNA & RNA)
DNA
Deoxyribose pentose sugar
Nitrogenous bases of A C T G
Stores genetic info
Contains phosphate group
Has 2 polynucleotide chains - double helix
Chains run anti-parallel due to complementary base pairing
RNA
Ribose pentose sugar
Contains phosphate group
Nitrogenous bases of A U C G
Makes proteins from the instructions in DNA
1 polynucleotide chain
Adenine and guanine are purines
Have two carbon-nitrogen rings
Thymine, cytosine and uracil are pyrimadines
Have 1 carbon-nitrogen ring
Between A and T there is 2 hydrogen bonds
Between C and G there is 3 hydrogen bonds
Condensation reaction when nucleotides join and water is produced
Hydrolysis reaction is when nucleotide monomers split
Phosphodiester bond is between 2 monomers
Genetic code
-universal
-triplet code
-degenerate
-non-overlapping