Regents Biology Nucleic Acids Information storage.

Regents Biology

Nucleic AcidsInformation storage

Regents Biology

Nucleic Acid Functions

Function #1: stores genetic material

genes

DNADNA

proteinsproteins

Function #2: transfer genetic material

Regents Biology

Nucleic Acids

Only 2 Types of Nucleic Acids: DNA (DeoxyriboNucleic Acid) RNA (Ribonucleic Acid)

Regents Biology

Nucleic Acids are made from Nucleotides 3 parts to every nucleotide:

nitrogen base pentose sugar (5C)

ribose in RNA deoxyribose in DNA

Phosphate group (PO4)

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5 different nucleotides different nitrogen bases adenine thymine cytosine guanine uracil

nucleotide – nucleotide – nucleotide – nucleotide

phosphate

sugar N base

Nitrogen basesI’m the

A,T,C,G or Upart!

Nucleic Acids are made from Nucleotides

Regents Biology

phosphate

sugar N base

phosphate

sugar N base

phosphate

sugar N base

phosphate

sugar N base

2 strands of DNA helix are complementary A – T and G – C

Nucleic Acid polymer

Regents Biology

That’s a big DNA molecule! Any

questions?