Macromolecules

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Example: enzymes (hemoglobin)

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Nucleic Acids

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Nucleic acids

Two types:

a. Deoxyribonucleic acid (DNA- double helix)

b. Ribonucleic acid (RNA-single strand)

Nucleic acids are composed of long chains of nucleotides linked by dehydration synthesis.

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Nucleic acids

Nucleotides include:

phosphate group

pentose sugar (5-carbon)

nitrogenous bases:

adenine (A)

thymine (T) DNA only

uracil (U) RNA only

cytosine (C)

guanine (G)

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Nucleotide

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DNA - double helix

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