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What are macromolecules ? Give examples.


Macromolecules are molecules that have a molecular weight in the range of ten thousand and above. They are usually formed by polymerisation of small molecules such as sugars, amino acids and nucleotides. Examples proteins, polysaccharides and nucleic acids.
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What are the basic units of :
(1) DNA (2) RNA ?

Give two examples of proteins which transport materials.

Describe nucleotides.

What is meant by a primary structure of a nucleic acid ?

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