Carbohydrates Flashcards
organic molecules all contain ______
carbon
carbohydrates are built from
monosaccharides, disaccharides, oligosaccharides, polysaccharides
what is the basic formula for carbohydrates
(CH2))n
How many carbons do monosaccharides typically have
3-7
what is a monosaccharide with 3 carbons called
trioses
name of a monosaccharide with 5 carbons
pentoses
name of monosaccharide with 6 carbons
hexose
what kind of functional group do carbohydrates have?
carbonyl (C=0)
Aldose
beginning
ketose
middle
aliphatic
linear
aromatic
ring
dehydration synthesis
requires energy, linking molecules, taking out H2O
Hydrolysis synthesis
releases energy, breaking polymers apart, putting in H2O
Monomers
subunits that make up macromolecules
polymers
monomers linked together via covalent bond
enzymes
speed up process
dissacharides
2 monosaccharides
polysaccharides function
metabolic, signaling receptors, structural
How are polysaccharides distinguished?
by their glycosidic linkage
cellulose
polysaccharide found in cell walls of plants
chitin
polysaccharide, makes hard shell of insects