Notes from Monosaccharides and Disaccharides within Unit 1- Biological Molecules AQA A Level Biology. These notes include many different sub-headings with images and simplified notes for easiest understanding.
Introducing carbohydrates and monosaccharides:
Uses of carbohydrates:
Source and storage of energy
Strucutral function
Contain carbon, hydrogen and oxygen.
MONOSACCHARIDES (CH2O)n- single sugar monomers
Simplest carbohydrates- monomer building blocks for more complex
carbohydrates.
2 monosaccharides form a disaccharide
Many monosaccharides form a polysaccharide- carbohydrate polymer
No of carbon Type of sugar Molecular formula Example
3C Triose C3H6O3 glyceraldehyde
4C Tetrose C4H8O4 threose
5C Pentose C5H10O5 ribose
6C Hexose C6H12O6 glucose
Commonly found hexose molecules- fructose and galactose
Glucose:
Monosaccharides and Disaccharides 1
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