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Transcript
Organic Compounds
• Contain the elements
carbon, hydrogen,
oxygen, nitrogen,
phosphorus, and sulfur.
• Carbon is found in
things that are or
once were living.
• Carbon atoms share
electrons to form
covalent bonds.
Organic Compounds
• Organic compounds are composed of
hundreds to thousands of individual
molecules.
– The single molecules in a polymer are called
monomers.
Organic Compounds
• The long molecules formed by repeating
patterns of monomers are called
polymers.
Macromolecules
• 4 Types of Organic Compounds or
macromolecules: carbohydrates, lipids,
proteins, and nucleic acids.
– Essential to maintaining life processes: cell
function, storage, energy, homeostasis and
genetic information.
Carbohydrates
• Make up sugars and
starches, fiber
• Contain atoms of
carbon, hydrogen,
and oxygen.
• The ratio of the atoms
is 1 C : 2 H : 1 O
• Provide energy to the
cells.
• Dissolve in water
(hydrophilic)
Lipids
• The three types of
lipids are fats, oils,
and waxes.
• Contain carbon,
hydrogen, and
oxygen
Functions of Lipids
• Lipids store energy
for later use by the
body.
• Lipids also serve
as padding and
protection for the
body.
• Lipids are
composed of C, H,
and O molecules,
but the molecules
are more complex
than
carbohydrates.
Phospholipid
• Found in cell
membranes
– Head is the
phosphate
group.
• Hydrophilic
– Tails are the
fatty acids.
• Hydrophobic
Draw this cross
Section of a cell
membrane
Proteins
• Proteins are the building materials for the
body.
– Hair, skin, muscles, and organs are made
mostly of proteins.
• Composed of carbon, hydrogen, nitrogen,
and oxygen
Function of Proteins
• The building blocks of
proteins are amino acids
(monomers).
• Serve as enzymes which
control rate of reactions
and regulate cell
processes.
.
Nucleic Acids
• DNA and RNA molecules
• Made of C, H, O, N, P, S elements
• Very large molecules that
determines the genetic traits
Made up of smaller units called
nucleotides