Question 1

Which of the following would be a suitable initiator molecule for polymerization of ethylene?

Accepted Answer

A)  HO- 
B)  HO . 
C)  H2O 
D)  H3O+ 
A)  HO- 
B)  HO . 
C)  H2O 
D)  H3O+

Question 2

What type of bond is formed when adding DNA units onto a DNA strand?

Accepted Answer

A)  glycosidic linkage 
B)  amide linkage 
C)  hydrogen bonds 
D)  phosphate linkage 
E)  ester linkage 
A)  glycosidic linkage 
B)  amide linkage 
C)  hydrogen bonds 
D)  phosphate linkage 
E)  ester linkage

Question 3

Bungee jumpers use cords which

Accepted Answer

A)  have a large degree of all cis configurations of double bonds. 
B)  have a large degree of all trans configurations of double bonds. 
C)  are made of a thermoset polymer. 
D)  are made of a highly cross-linked elastomer. 
E)  are made of Kevlar. 
A)  have a large degree of all cis configurations of double bonds. 
B)  have a large degree of all trans configurations of double bonds. 
C)  are made of a thermoset polymer. 
D)  are made of a highly cross-linked elastomer. 
E)  are made of Kevlar.

Question 4

Describe polymers made by free radical polymerization.

Accepted Answer

Free radical polymerization includes ini

Question 5

Describe functional groups and linkage groups in polymers.

Accepted Answer

Polymerization requires monome

Question 6

Draw the structure of the nucleotide formed from the base adenine, ribose and phosphate shown below:

Accepted Answer

The answer of Draw the structure of the nucleotide formed...

Question 7

Draw the structure of the nucleotide formed from the base thymine, ribose and phosphate shown below:

Accepted Answer

The answer of Draw the structure of the nucleotide formed...

Question 8

A glycosidic bond between two monosaccharides results in the formation of what two molecules?

Accepted Answer

A)  water and disaccharide 
B)  disaccharide and starch 
C)  polysaccharide and water 
D)  starch and water 
E)  cellulose and glycogen 
A)  water and disaccharide 
B)  disaccharide and starch 
C)  polysaccharide and water 
D)  starch and water 
E)  cellulose and glycogen

Question 9

Draw the product of the condensation reaction between dimethylamine (HN(CH3)2) and formic acid (H-C=O)-OH)     H-(C= O)-OH H-N-(CH3)2

Accepted Answer

Question 10

Draw a representative molecule containing three carbons for each of the following.

Accepted Answer

The answer of Draw a representative molecule containing three carbons...

Question 11

One way to synthesize polyamides is from acid chlorides and amines with the loss of HCl. Draw the structure of the combination of two units of each of the following monomers:

Accepted Answer

The answer of One way to synthesize polyamides is from...

Question 12

What is the chemical formula for the following compound?

Accepted Answer

A)  C3H7O2N 
B)  C5H9O2N 
C)  C3H9ON2 
D)  C4H8O2N 
E)  C3H4ON 
A)  C3H7O2N 
B)  C5H9O2N 
C)  C3H9ON2 
D)  C4H8O2N 
E)  C3H4ON

Question 13

How would a scientist make a co-polymer via radical polymerization out of two monomer units with a ratio of 3 to 1? Would the scientist be able to control the order of the addition of monomer units? That is, could the scientist guarantee that the order would be A-A-A-B-A-A-A-B-A-A-A-B- and so on? If so how?

Accepted Answer

A scientist would make a co-polymer by h

Question 14

Use the following amino acids for questions 
  
-Which of the above is the line structure for tyrosine?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Question 15

How do  $\pi$  bond electrons differ from  $\sigma$  bond electrons in C == C bonds?

Accepted Answer

A)   $\pi$  bond electrons are located along the bond axis, and  $\sigma$  bond electrons are located above and below the plane of the bond axis. 
B)   $\pi$ bond electrons are more tightly bound that  $\sigma$  bond electrons thus explaining why double bonds are stronger than single bonds. 
C)   $\sigma$ bond electrons dominate the reactivity patterns of ethylene as they are more readily accessible. 
D)   $\sigma$  bond electrons are located along the bond axis, and  $\pi$  bond electrons are located above and below the plane of the bond axis. 
E)  Both kinds of electrons are essentially equivalent. 
A)   $\pi$  bond electrons are located along the bond axis, and  $\sigma$  bond electrons are located above and below the plane of the bond axis. 
B)   $\pi$ bond electrons are more tightly bound that  $\sigma$  bond electrons thus explaining why double bonds are stronger than single bonds. 
C)   $\sigma$ bond electrons dominate the reactivity patterns of ethylene as they are more readily accessible. 
D)   $\sigma$  bond electrons are located along the bond axis, and  $\pi$  bond electrons are located above and below the plane of the bond axis. 
E)  Both kinds of electrons are essentially equivalent.

Question 16

Use the following amino acid structures to answer questions 
  
-Give the formula for amino acid shown above as B.

Accepted Answer

The answer of Use the following amino acid structures to...

Question 17

Complete the picture of  ? -glucose where the information for carbons 1 and 5 have been left off.

Accepted Answer

The answer of Complete the picture of  ? -glucose...

Question 18

Primary, secondary and tertiary structure of proteins is determined by

Accepted Answer

A)  sequence of amino acids, hydrogen bonds, interaction of side chains with water. 
B)  sequence of amino acids, peptide linkages, hydrogen bonds. 
C)  order of the dipeptides, sequence of amino acids, hydrogen bonds. 
D)  number of dipeptides, hydrogen bonds, interactions of side chains with water. 
E)  sequence of amino acids, hydrogen bonds, double helix shape. 
A)  sequence of amino acids, hydrogen bonds, interaction of side chains with water. 
B)  sequence of amino acids, peptide linkages, hydrogen bonds. 
C)  order of the dipeptides, sequence of amino acids, hydrogen bonds. 
D)  number of dipeptides, hydrogen bonds, interactions of side chains with water. 
E)  sequence of amino acids, hydrogen bonds, double helix shape.

Question 19

Recognize and describe some properties of plastics, fibres, and elastomers.

Accepted Answer

Plastics are typically made in

Question 20

If the primary structure of a segment of RNA is UUGCAUUGC, what sequence of DNA was this transcribed from?

Accepted Answer

The answer of If the primary structure of a segment...

Which of the following would be a suitable initiator molecule for polymerization of ethylene?

What type of bond is formed when adding DNA units onto a DNA strand?

Bungee jumpers use cords which

Describe polymers made by free radical polymerization.

Describe functional groups and linkage groups in polymers.

Draw the structure of the nucleotide formed from the base adenine, ribose and phosphate shown below:

Draw the structure of the nucleotide formed from the base thymine, ribose and phosphate shown below:

A glycosidic bond between two monosaccharides results in the formation of what two molecules?

Draw the product of the condensation reaction between dimethylamine (HN(CH₃)₂) and formic acid (H-C=O)-OH) H-(C= O)-OH H-N-(CH₃)₂

Draw a representative molecule containing three carbons for each of the following.

One way to synthesize polyamides is from acid chlorides and amines with the loss of HCl. Draw the structure of the combination of two units of each of the following monomers:

What is the chemical formula for the following compound?

Use the following amino acids for questions -Which of the above is the line structure for tyrosine?

How do $\pi$ bond electrons differ from $\sigma$ bond electrons in C == C bonds?

Use the following amino acid structures to answer questions -Give the formula for amino acid shown above as B.

Complete the picture of ? -glucose where the information for carbons 1 and 5 have been left off.

Primary, secondary and tertiary structure of proteins is determined by

Recognize and describe some properties of plastics, fibres, and elastomers.

If the primary structure of a segment of RNA is UUGCAUUGC, what sequence of DNA was this transcribed from?

Fundamental Concepts of Chemistry

The Behaviour of Gases

Energy and Its Conservation

Atoms and Light

Atomic Energies and Periodicity

Fundamentals of Chemical Bonding

Theories of Chemical Bonding

Effects of Intermolecular Forces

Properties of Solutions

Organic Chemistrystructure

Organic Chemistryreactions

Spontaneity of Chemical Processes

Kinetics: Mechanisms and Rates of Reactions

Principles of Chemical Equilibrium

Aqueous Acidbase Equilibria

Applications of Aqueous Equilibria

Electron Transfer Reactions

The Transition Metals

The Main Group Elements

Nuclear Chemistry and Radiochemistry

Filters

Exam 18: Macromolecules

Which of the following would be a suitable initiator molecule for polymerization of ethylene?

What type of bond is formed when adding DNA units onto a DNA strand?

Bungee jumpers use cords which

Describe polymers made by free radical polymerization.

Describe functional groups and linkage groups in polymers.

Draw the structure of the nucleotide formed from the base adenine, ribose and phosphate shown below:

Draw the structure of the nucleotide formed from the base thymine, ribose and phosphate shown below:

A glycosidic bond between two monosaccharides results in the formation of what two molecules?

Draw the product of the condensation reaction between dimethylamine (HN(CH3)2) and formic acid (H-C=O)-OH) H-(C= O)-OH H-N-(CH3)2

Draw a representative molecule containing three carbons for each of the following.

One way to synthesize polyamides is from acid chlorides and amines with the loss of HCl. Draw the structure of the combination of two units of each of the following monomers:

What is the chemical formula for the following compound?

Use the following amino acids for questions -Which of the above is the line structure for tyrosine?

How do π\piπ bond electrons differ from σ\sigmaσ bond electrons in C == C bonds?

Use the following amino acid structures to answer questions -Give the formula for amino acid shown above as B.

Complete the picture of ? -glucose where the information for carbons 1 and 5 have been left off.

Primary, secondary and tertiary structure of proteins is determined by

Recognize and describe some properties of plastics, fibres, and elastomers.

If the primary structure of a segment of RNA is UUGCAUUGC, what sequence of DNA was this transcribed from?

Fundamental Concepts of Chemistry

The Behaviour of Gases

Energy and Its Conservation

Atoms and Light

Atomic Energies and Periodicity

Fundamentals of Chemical Bonding

Theories of Chemical Bonding

Effects of Intermolecular Forces

Properties of Solutions

Organic Chemistrystructure

Organic Chemistryreactions

Spontaneity of Chemical Processes

Kinetics: Mechanisms and Rates of Reactions

Principles of Chemical Equilibrium

Aqueous Acidbase Equilibria

Applications of Aqueous Equilibria

Electron Transfer Reactions

The Transition Metals

The Main Group Elements

Nuclear Chemistry and Radiochemistry

Filters

Draw the product of the condensation reaction between dimethylamine (HN(CH₃)₂) and formic acid (H-C=O)-OH) H-(C= O)-OH H-N-(CH₃)₂

How do $\pi$ bond electrons differ from $\sigma$ bond electrons in C == C bonds?