BIOL1001 Lecture Notes - Lecture 9: Polysaccharide, Starch, Disaccharide

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9 Aug 2016
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Lecture 9
Nutrients are the molecules that living organisms require
for survival and growth but that animals and plants
cannot synthesize themselves.
Animals obtain nutrients by consuming food, while plants
pull nutrients from soil.
Foods such as bread, fruit, and cheese are rich sources of
biological macromolecules.
Many critical nutrients are biological macromolecules.
The term "Macromolecule" was first coined in the 1920s
by Nobel laureate Hermann Staudinger.
Staudinger was the first to propose that many large
biological molecules are built by covalently linking smaller
biological molecules together.
Living organisms are made up of chemical building
blocks.
All organisms are composed of a variety of these
biological macromolecules.
Biological macromolecules play a critical role in cell
structure and function.
Most biological macromolecules are polymers, which are
any molecules constructed by linking together many
smaller molecules, called monomers.
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