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Macromolecules
Composition, type and use of organic molecules
48
Biology
9th Grade
01/20/2011

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Term
Organic compounds
Definition
Carbon based compounds
Term
Macromolecules
Definition
Very large molecules made from repeating subunits
Term
Polymer
Definition
A molecule made from repeating subunits
Term
Carbon
Definition
The element which forms the base for all organic molecules. (The base for all living organisms.)
Term
Monomer
Definition
A single unit of a molecule.
They can be strung together to make large polymers.
Term
disaccharide
Definition
A molecule made of 2 sugar rings combined
Term
Monosaccharide
Definition
A single sugar molecule
Term
Mono-
Definition
one
Term
Di-
Definition
two
Term
Poly-
Definition
many
Term
Name 2 disaccharides
Definition
Sucrose
Lactose
Term
Name 4 polysaccharides
Definition
Starch
Glycogen
Cellulose
Chiten
Term
What elements do all Carbohydrates have?
Definition
C H O
Carbon
Hydrogen
Oxygen
Term
Carbohydrates are used for...
Definition
Energy storage and structural support
Term
What are the monomers that make up Carbohydrates
Definition
monosaccharides
Term
Name 2 monosaccharides
Definition
Glucose
Fructose
Galactose
Ribose
Term
Name the Parts of a Lipid
Definition
Fatty Acid Tail
Hydrophobic head
Glycerol (3 carbon chain the tails are attached to)
Term
Elements always found in Lipids
(Sometimes found in Lipids)
Definition
C O H
Carbon
Oxygen
Hydrogen

(P Phosphorous)
Term
Plasma Membrane is made of:
Definition
Phospholipids
(phospholipid bi-layer)
(Have a hydrophillic phosphate head and 2 fatty-acid tails)
Cholesterol (adds structure and flexibility).
Term
Triglyceride
Definition
Has 3 long Fatty-acid tails attached to a glycerol (3 Carbon chain).
Term
Unsaturated Lipids
Definition
Some Hydrogen has been removed.
There are one or more double bonds between the Carbon atoms in the fatty-acid tails.
Term
Saturated Lipids
Definition
They are saturated (FULL) of Hydrogens.
There are only single bonds between the carbon atoms on the fatty-acid tails.
Term
Lipid Examples
Definition
Triglicerides
Steroids
Cholesterol
Waxes
Fats
Oils
Term
Lipid Functions
Definition
Energy storage
Part of the Plasma Membrane
(Cholesterol and phospholipid bilayer)
Term
Amino Acids
Definition
The monomers that make up proteins (peptides).
Term
Peptide bonds
Definition
The bonds which hold amino acids together.
The bonds which hold proteins together.
Term
-COOH
Definition
Carboxylic Acid
Carboxyl Group
Term
How many different amino acids are there?
Definition
20
Term
What makes Amino Acids different from each other?
Definition
The "R" groups (The Side Chains)
Term
Protein Functions
Definition
Structure (Keratin, collagen)
Messenger (hormones ie:insulin)
Transport (hemoglobin)
Antibodies
Catalyst (Enzyme) (Control Speed of Reactions)
Term
2 aminio acids bound together
Definition
Di-peptide
Term
Many amino acids bound together
Definition
Poly-peptide
Term
Protein Elements
Definition
C H N O S
Carbon
Hydrogen
Nitrogen
Oxygen
Sulfer
Term
Nucleic Acid Monomers
Definition
nucleotides
Term
Nucleic Acid Elements
Definition
C H O P N
Cargon
Hydrogen
Nitrogen
Oxygen
Phosphorous
Term
Nucleic Acid Examples
Definition
DNA
RNA
ATP
Term
Nucleic Acid Functions:
Definition
Store and transmit genetic material
Term
Hydrophobic
Definition
repels water
doesn't like water
Term
Hydrophillic
Definition
Water soluble
Likes water
Has a charged section
Term
Lipids
Definition
Hydrophobic
Made of C and H
Store Energy (Long term storage)
Are essential to cell membranes
Term
Proteins
Definition
Structure, Transport, Hormones, Catalysts,
Has an NH2 (Amine Group)
Forms peptide bonds
Term
Phosphate group
Definition
PO4
Term
Hydroxyl Group
Definition
-OH
Term
Carboxyl Group
Definition
-COOH
Term
Amino Group
Definition
-NH2
Term
Enzymes
Definition
Proteins that act to control reactions. (Speed or slow reaction rate)
Term
Carbohydrates
Definition
Sugars and Starchs
C H O
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structural (cellulose)
Term
Glycogen
Definition
Stores energy in the liver and muscles
Carbohydrate
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