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Lipids
fats, phospholipids and steroids
Elements found in all lipids
carbon and hydrogen
what are the functions of lipids in living things
store energy, and make up the membrane of cells.
Fats
insilation, good for storage, store energy
phospholipids
cell membrane, protects cells
steroids
make hormones, make neurotransmitters
Proteins
break down food molecules, allow animals to move, transportation, part of immune system, provide hormones for growth, communication, builds things in cells, and stores food
monomer of proteins
amino acids
Elements in all proteins
carbon, hydrogen, oxygen, nitrogen
Polymer protein
polypeptide
protein in milk
casein (80%) and whey
(20%)
Organic molecule
A chemical compound with hydrogen, oxygen, and nitrogen
Why is carbon important in making up molecules
it has universal strong bonds
Monomer
single part of a molecule
Polymer
combined monomers to make molecule
polymerization
process of building large compounds from smaller ones
metabolism
breaking down food and building energy
catabolism
breaking down molecules
Anabolism
builds complex molecules
four categories that make up living cells
lipids, carbs, proteins, nucleic acids
Carbohydrate monomer
monosaccharide
carbohydrate polymer
polysaccharide
elements in all carbs
carbs, oxygen, hydrogen
structural polysaccharides(animal)
chitin: very tough and natural
structural polysaccharides (plant)
Cellulose: organic compound, complex carb
storage polysaccharide (animal)
glycogen: energy storage, stored in skeletal muscels(75%) and liver (25%)
storage polysaccharide (plant)
starch: soft, white, made of glucose, created after photosynthesis