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Synthetic and Natural
Organic Polymers
Chapter 22
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A ___________ is a high molar mass molecular compound
made up of many repeating chemical units.
Naturally occurring polymers
•___________
•___________
•___________
•___________
Synthetic polymers
•___________
•___________
•___________
22.1
The simple repeating unit of a polymer is the ___________.
_________________ is a polymer made up of only one type
of monomer
( CF2
CF2 )n
___________
( CH2
CH2 )n
___________
( CH2
CH )n
Cl
_________
22.2
____________ is a polymer made up of two or more monomers
( CH
CH2
CH2
CH
CH
CH2 )n
Styrene-butadiene rubber
22.2
Stereoisomers of Polymers
R groups on same
side of chain
Isotactic
R groups alternate
from side to side
Syndiotactic
R groups disposed
at random
Atactic
Proteins
_________ ________ are the basic structural units of proteins.
An amino acid is a compound that contains at least one amino
group (-NH2) and at least one carboxyl group (-COOH)
H O
H O
+H N
3
C C O- + +H3N C C OR2
R1
___________ bond
H O
H O
+H N
3
C C N C C O- + H2O
R1
H R2
22.3
22.3
Protein Structure
Carbon
Nitrogen
Oxygen
R group
The structure is
held in position by
intramolecular
hydrogen bonds
(………)
Hydrogen
22.3
Protein Structure
22.3
Protein Structure
Intermolecular Forces in a Protein Molecule
ionic forces
hydrogen
bonds
dispersion
forces
ionic forces
dispersion
forces
dispersion
forces
dipole-dipole
forces
22.3
Hydrogen Bonds in Parallel and Antiparallel b-pleated Sheets
22.3
Protein Structure
The structural changes that occur when oxygen binds to the
heme group in hemoglobin.
22.3
Nucleic Acids
Nucleic acids are high molar mass polymers that play an
essential role in protein synthesis.
1. Deoxyribonucleic acid (DNA)
2. Ribonucleic acid (RNA)
DNA molecule has 2 helical strands. Each
strand is made up of ________________.
22.4
The Components of the Nucleic Acids DNA and RNA
22.4
Base-Pair Formation by Adenine and Thymine and by
Cytosine and Guanine
22.4
Chemistry In Action: DNA Fingerprinting
22.4