Question 1

Identify the amino acid shown below.

Accepted Answer

A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln) 
A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln)

Question 2

When octane,C8H18,reacts with oxygen to produce carbon dioxide and water,5070 kJ of heat are released per mole of methane.How many kJ of heat are released per gram of oxygen used?

Accepted Answer

A) 6)34 kJ/g 
B) 12.7 kJ/g 
C) 1980 kJ/g 
D) 3960 kJ/g 
A) 6)34 kJ/g 
B) 12.7 kJ/g 
C) 1980 kJ/g 
D) 3960 kJ/g

Question 3

Which suffix on a ketone or aldehyde indicates a sugar?

Accepted Answer

A) -ane 
B) -ene 
C) -one 
D) -ose 
A) -ane 
B) -ene 
C) -one 
D) -ose

Question 4

Identify the following amine base found in nucleic acids.

Accepted Answer

A) Adenine (
A)  
B) Cytosine (
C)  
C) Thymine (T) 
D) Uracil (U) 
A) Adenine (
A)  
B) Cytosine (
C)  
C) Thymine (T) 
D) Uracil (U)

Question 5

(CH3)2CH- represents a butyl group.

Accepted Answer

A) normal 
B) secondary 
C) tertiary 
D) quaternary 
A) normal 
B) secondary 
C) tertiary 
D) quaternary

Question 6

Based on the structure of its side chains,the amino acid shown below can be classified as

Accepted Answer

A) acidic. 
B) basic. 
C) neutral,non-polar. 
D) neutral,polar. 
A) acidic. 
B) basic. 
C) neutral,non-polar. 
D) neutral,polar.

Question 7

Name the product obtained from the addition of bromine to 3-methyl-1-butene.

Accepted Answer

A) 1,1-dibromobutane 
B) 1,2-dibromo-3-methylbutane 
C) 1,2-dibromopentane 
D) trans-1,2-dibromobutene 
A) 1,1-dibromobutane 
B) 1,2-dibromo-3-methylbutane 
C) 1,2-dibromopentane 
D) trans-1,2-dibromobutene

Question 8

Identify the following dipeptide.

Accepted Answer

A) Ser-Ala 
B) Ser-Leu 
C) Ser-Phe 
D) Ser-Val 
A) Ser-Ala 
B) Ser-Leu 
C) Ser-Phe 
D) Ser-Val

Question 9

The cycloalkane represented by a square is called ________ and has the molecular formula ________.

Accepted Answer

A) cyclopropane,C3H6 
B) cyclopropane,C3H8 
C) cyclobutane,C4H4 
D) cyclobutane,C4H8 
A) cyclopropane,C3H6 
B) cyclopropane,C3H8 
C) cyclobutane,C4H4 
D) cyclobutane,C4H8

Question 10

Identify the amino acid shown below.

Accepted Answer

A) Cysteine (Cys) 
B) Serine (Ser) 
C) Threonine (Thr) 
D) Tyrosine (Tyr) 
A) Cysteine (Cys) 
B) Serine (Ser) 
C) Threonine (Thr) 
D) Tyrosine (Tyr)

Question 11

To which family does this organic compound belong?

Accepted Answer

A) alcohol 
B) aldehyde 
C) ether 
D) ketone 
A) alcohol 
B) aldehyde 
C) ether 
D) ketone

Question 12

-Which of these molecules above have a large partial negative charge (δ-)on the carbon atom?

Accepted Answer

A) only (1) 
B) only (3) 
C) (1)and (3) 
D) (2)and (4) 
A) only (1) 
B) only (3) 
C) (1)and (3) 
D) (2)and (4)

Question 13

To which family does this organic compound belong?

Accepted Answer

A) amide 
B) amine 
C) carboxylic acid 
D) ester 
A) amide 
B) amine 
C) carboxylic acid 
D) ester

Question 14

How many possible tripeptides can be made with the amino acids: tyrosine,histidine,and cysteine,each used only once?

Accepted Answer

A) 3 
B) 4 
C) 6 
D) 9 
A) 3 
B) 4 
C) 6 
D) 9

Question 15

Which of the following amino acids contains a sulfur in its side chain?

Accepted Answer

A) aspartic acid 
B) glutamic acid 
C) methionine 
D) threonine 
A) aspartic acid 
B) glutamic acid 
C) methionine 
D) threonine

Question 16

Identify the amino acid shown below.

Accepted Answer

A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln) 
A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln)

Question 17

To which family does this organic compound belong?

Accepted Answer

A) alcohol 
B) aldehyde 
C) ether 
D) ketone 
A) alcohol 
B) aldehyde 
C) ether 
D) ketone

Question 18

What is the complementary mRNA sequence to GCTATACCGT?

Accepted Answer

A) ATCGCGTTAC 
B) CGAUAUGGCA 
C) TUGCGCUUTG 
D) UTCGCGTTUC 
A) ATCGCGTTAC 
B) CGAUAUGGCA 
C) TUGCGCUUTG 
D) UTCGCGTTUC

Question 19

None of the listed compounds contains a ring.Which has at least one doubly-bonded carbon atom?

Accepted Answer

A) C2H6 
B) C3H4 
C) C4H8 
D) All of these 
A) C2H6 
B) C3H4 
C) C4H8 
D) All of these

Question 20

What is the proper name for (CH3)2CHCH(OH)CH3?

Accepted Answer

A) isopropanol 
B) isopentanol 
C) 2-methylpentanol 
D) 3-methyl-2-butanol 
A) isopropanol 
B) isopentanol 
C) 2-methylpentanol 
D) 3-methyl-2-butanol

Exam 23: Organic and Biological Chemistry

Identify the amino acid shown below.

When octane,C8H18,reacts with oxygen to produce carbon dioxide and water,5070 kJ of heat are released per mole of methane.How many kJ of heat are released per gram of oxygen used?

Which suffix on a ketone or aldehyde indicates a sugar?

Identify the following amine base found in nucleic acids.

(CH3)2CH- represents a butyl group.

Based on the structure of its side chains,the amino acid shown below can be classified as

Name the product obtained from the addition of bromine to 3-methyl-1-butene.

Identify the following dipeptide.

The cycloalkane represented by a square is called ________ and has the molecular formula ________.

Identify the amino acid shown below.

To which family does this organic compound belong?

-Which of these molecules above have a large partial negative charge (δ-)on the carbon atom?

To which family does this organic compound belong?

How many possible tripeptides can be made with the amino acids: tyrosine,histidine,and cysteine,each used only once?

Which of the following amino acids contains a sulfur in its side chain?

Identify the amino acid shown below.

To which family does this organic compound belong?

What is the complementary mRNA sequence to GCTATACCGT?

None of the listed compounds contains a ring.Which has at least one doubly-bonded carbon atom?

What is the proper name for (CH3)2CHCH(OH)CH3?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Filters

When octane,C₈H₁₈,reacts with oxygen to produce carbon dioxide and water,5070 kJ of heat are released per mole of methane.How many kJ of heat are released per gram of oxygen used?

(CH₃)₂CH- represents a butyl group.

The cycloalkane represented by a square is called and has the molecular formula .

What is the proper name for (CH₃)₂CHCH(OH)CH₃?