Organic Molecules(Biomolecules)
Carbohydrates
ProteinsLipids
Nucleic Acids
Functions
energy source
provide building material
Varieties disaccharides - contains 2 monosaccharides joined together by
dehydration synthesis
polysaccharides - a polymer of monosaccharides
monosaccharides - single sugar molecule
Varieties
Functions
phospholipids
steroids
oils
fats
waxes
heat retention
cell communication & regulation
structural components
protection
long-term energy storage
human uses
human uses
human uses
human uses
butter
lard
cooking oils
food additive
medicines
Functions
transport
defense
support
regulation
metabolism
motion
examples
keratin
collagen
Levels of Structure Secondary - characterized by the presence of alpha relics & beta
sheets held in place with hydrogen bonds
Tertiary - 3D shape of a polypeptide
Primary - linear sequence of amino acids
Quarternary - consists of more than 1 polypeptide
Varieties
Ribonucleic acid(RNA) - performs a wide range of functions
within cells which include protein synthesis and regulation of
gene expression
Deoxyribonucleic acid(DNA) - genetic material that stores info for
its own replication and for the sequence of amino acid in proteins
Structure
a pentose sugar
a nitrogen-containing(nitrogenous) base
a phosphate group
single stranded
double stranded
adenine, guanine, uracil, cytosine
sugar: ribose
no helix
adenine, guanine, thymine, cytosine
sugar: deoxyribose
helix
