Biology ; Macromolecules: Molecules Necessary for Life Test summary sheet

SBI 4U – UNIT 1 DATE: ______________________


Carbohydrates Lipids Proteins Nucleic Acids
Monomer(s) -monosaccharides -glycerol molecules -amino acid -nucleotides
(Basic with three fatty acid
Subunit) chains

-phosphate


Polymer(s) polysaccharides -triglyceride -polypeptide chain -DNA
(Combined -phospholipids -RNA
Subunit) -steroids



Functional -hydroxyl Hydroxyl in glycerol -amino and carboxyl in -phosphate,
Group(s) -ether and carboxyl in one amino acid hydroxyl and ether
fatty acid chains in one nucleotide
form an ester in a -
triglyceride
molecule

-additional
phosphate in
phospholipids
Bonds -glycosidic linkage -ester linkage -peptide bond Phosphodiester
between bond
Monomers




Functions -glucose for energy -long term energy -enzymes -genetic
source storage -carries cellular information
-glycogen is a form of -cushions organs messages -protein synthesis
storing glucose -insulates heat
-cellulose provide -forms cell
structural support membrane
-hormones
Sketch
(Draw a
model of a
molecule)

Show most
basic form Nucleotide




Macromolecules: Molecules Necessary for Life