Unit 4 Dna Research Paper

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Nucleotide: a nucleic acid monomer, consisting of five carbon sugar covalently bonded to nitrogenous base and phosphate group.

DNA “backbone” : chain nucleotide made of sugar and phosphate group that are joined together by covalent bond and are resistant to cleavage

Antiparallel: the 2 strands of DNA double helix that run in opposite directions of each other

Reactive chemical group at the 5’ end of DNA: phosphate group
Reactive chemical group at the 3’ end of DNA : hydroxyl group

The four DNA nucleobases thymine (T), adenine (A), Cytosine (C) and guanine (G)
,
Complementary base pairing adenine and thymine pair (A-T) and guanine and cytosine pair (G-C)

Melting temperature: temperature needed to break 50% of the hydrogen bonds

Chromatin:

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