Question 1

The polymer formed from the monomer CH2=CH-CN is

Accepted Answer

A)    
B) (CH2=CHCN)n 
C) (CH2=CH=CN)n 
D)    
A)    
B) (CH2=CHCN)n 
C) (CH2=CH=CN)n 
D)    A

Question 2

Polypropene results from the polymerization of

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E B

Question 3

The only true hydrocarbon polymer found in nature is

Accepted Answer

A) rubber. 
B) nylon. 
C) Tyvek. 
D) polystyrene. 
E) neoprene. 
A) rubber. 
B) nylon. 
C) Tyvek. 
D) polystyrene. 
E) neoprene. A

Question 4

Which one of these molecules is part of the make-up of both DNA and RNA?

Accepted Answer

A) deoxyribose 
B) ribose 
C) phosphate 
D) thymine 
E) uracil 
A) deoxyribose 
B) ribose 
C) phosphate 
D) thymine 
E) uracil

Question 5

Which choice contains all three molecular units found in nucleotides?

Accepted Answer

A) phosphate, sugar, amino acid 
B) amino acid, nitrogen-containing base, sugar 
C) carboxylic acid, sugar, protein 
D) phosphate, nitrogen-containing base, sugar 
E) sugar, amino acid, protein 
A) phosphate, sugar, amino acid 
B) amino acid, nitrogen-containing base, sugar 
C) carboxylic acid, sugar, protein 
D) phosphate, nitrogen-containing base, sugar 
E) sugar, amino acid, protein

Question 6

Phosphorus is an essential mineral element. It is an important atom in which one of the following?

Accepted Answer

A) amino acids 
B) proteins 
C) polyethylene 
D) nylon 
E) DNA 
A) amino acids 
B) proteins 
C) polyethylene 
D) nylon 
E) DNA

Question 7

The segment   represents the polymer named

Accepted Answer

A) polybutylene. 
B) polyvinyl chloride. 
C) polypropylene. 
D) polystyrene. 
E) polyethylene. 
A) polybutylene. 
B) polyvinyl chloride. 
C) polypropylene. 
D) polystyrene. 
E) polyethylene.

Question 8

Which of the structures below corresponds to the dipeptide alanylcysteine? The parent amino acids are shown below.

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 9

Poly(vinyl chloride)results from the polymerization of

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)

Question 10

Both DNA and RNA have double-helical structures.

Accepted Answer

A) True 
 B)False

Question 11

The secondary structure of a protein is the

Accepted Answer

A) configuration of those parts of the chain stabilized by a regular pattern of covalent bonds between C and O groups of the backbone of the chain. 
B) configuration of those parts of the chain stabilized by a regular pattern of hydrogen bonds between CO and NH groups of the backbone of the chain. 
C) specific order of amino acids in the chain. 
D) overall three-dimensional structure of the molecule. 
E) overall arrangement of several polypeptide chains into one functional unit. 
A) configuration of those parts of the chain stabilized by a regular pattern of covalent bonds between C and O groups of the backbone of the chain. 
B) configuration of those parts of the chain stabilized by a regular pattern of hydrogen bonds between CO and NH groups of the backbone of the chain. 
C) specific order of amino acids in the chain. 
D) overall three-dimensional structure of the molecule. 
E) overall arrangement of several polypeptide chains into one functional unit.

Question 12

Amides are synthesized from two classes of organic compounds. Those two types of compounds are

Accepted Answer

A) carboxylic acids and alkenes. 
B) amines and alcohols. 
C) alcohols and carboxylic acids. 
D) amines and carboxylic acids. 
E) alkenes and amines. 
A) carboxylic acids and alkenes. 
B) amines and alcohols. 
C) alcohols and carboxylic acids. 
D) amines and carboxylic acids. 
E) alkenes and amines.

Question 13

A polymer made in a polymerization reaction that also produces small molecules (such as water)is classified as

Accepted Answer

A) an addition polymer. 
B) a natural polymer. 
C) a condensation polymer. 
D) an elimination polymer. 
E) a copolymer. 
A) an addition polymer. 
B) a natural polymer. 
C) a condensation polymer. 
D) an elimination polymer. 
E) a copolymer.

Question 14

The backbone of a strand of nucleic acid consists of

Accepted Answer

A) phosphate units only. 
B) phosphate and sugar units. 
C) polyester. 
D) phosphate, sugar, and nitrogen base units. 
E) sugar units only. 
A) phosphate units only. 
B) phosphate and sugar units. 
C) polyester. 
D) phosphate, sugar, and nitrogen base units. 
E) sugar units only.

Question 15

Which of the structures below corresponds to the dipeptide cysteylananine? The parent amino acids are shown below.

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 16

Write an equation for the reaction of the diamine and di-carboxylic acid shown below, and show the structure of the nylon polymer that would be formed.

Accepted Answer

The answer of Write an equation for the reaction of...

Question 17

Which of the following polymers is formed by a condensation process?

Accepted Answer

A) PVC 
B) nylon 
C) Teflon 
D) Plexiglas 
E) neoprene 
A) PVC 
B) nylon 
C) Teflon 
D) Plexiglas 
E) neoprene

Question 18

An amino acid is a compound that contains at least

Accepted Answer

A) one amino group and one amide group. 
B) two amino groups and one carboxylic acid group. 
C) one hydroxyl group and one methyl group. 
D) one carboxylic acid group and one amino group. 
E) one methyl group and one amide group. 
A) one amino group and one amide group. 
B) two amino groups and one carboxylic acid group. 
C) one hydroxyl group and one methyl group. 
D) one carboxylic acid group and one amino group. 
E) one methyl group and one amide group.

Question 19

Proteins occurring in the $\beta$-pleated sheet structure

Accepted Answer

A) are relatively inelastic. 
B) never occur in nature. 
C) produce structurally weak materials. 
D) contain no peptide bonds. 
E) are not involved in hydrogen bonds. 
A) are relatively inelastic. 
B) never occur in nature. 
C) produce structurally weak materials. 
D) contain no peptide bonds. 
E) are not involved in hydrogen bonds.

Question 20

Which one of these materials is a copolymer?

Accepted Answer

A) Styrene-butadiene 
B) polyvinyl chloride 
C) polypropylene 
D) poly-cis-isoprene 
E) polyethylene 
A) Styrene-butadiene 
B) polyvinyl chloride 
C) polypropylene 
D) poly-cis-isoprene 
E) polyethylene

Exam 22: Organic Polymerssynthetic and Natural

The polymer formed from the monomer CH2=CH-CN is

Polypropene results from the polymerization of

The only true hydrocarbon polymer found in nature is

Which one of these molecules is part of the make-up of both DNA and RNA?

Which choice contains all three molecular units found in nucleotides?

Phosphorus is an essential mineral element. It is an important atom in which one of the following?

The segment represents the polymer named

Which of the structures below corresponds to the dipeptide alanylcysteine? The parent amino acids are shown below.

Poly(vinyl chloride)results from the polymerization of

Both DNA and RNA have double-helical structures.

The secondary structure of a protein is the

Amides are synthesized from two classes of organic compounds. Those two types of compounds are

A polymer made in a polymerization reaction that also produces small molecules (such as water)is classified as

The backbone of a strand of nucleic acid consists of

Which of the structures below corresponds to the dipeptide cysteylananine? The parent amino acids are shown below.

Write an equation for the reaction of the diamine and di-carboxylic acid shown below, and show the structure of the nylon polymer that would be formed.

Which of the following polymers is formed by a condensation process?

An amino acid is a compound that contains at least

Proteins occurring in the β\betaβ -pleated sheet structure

Which one of these materials is a copolymer?

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Electronic Structure of Atoms

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Filters

The polymer formed from the monomer CH₂=CH-CN is

Proteins occurring in the $\beta$ -pleated sheet structure