Transcript Monosaccharide

Monosaccharide
• Monosaccarides are the simplest type of
carbohydrate, and they include an aldehyde or
a ketone attached to 2 or more hydroxyl
groups
• Monosaccharides cannot be broken down
(hydrolyzed) into simpler carbohydrates
• The smallest monosaccharides are
dihydroxyacetone and D- and Lglyceraldehydes
Monosaccharide
• Monosaccharides are the main source of fuel for the
metabolism of living organisms, and they are used as
both an energy source and for biosynthesis
• When not immediately required for energy, they are
converted to other, more space-saving forms such as
polysaccharides. In humans, this storage form is
glycogen, while in plants it is starch
• The monosaccharide ribose functions as a
coenzyme and an important component of RNA
• The monosaccharide deoxyribose is essential
for DNA (Use a diagram of DNA)
D-glucose structure
Glycogen
Starch
Cellulose
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“Biology" Sixth Edition by Jane Reece & Neil Campbell