Question 1

Identify the amino acid shown below.

Accepted Answer

A) Arganine (Arg) 
B) Histidine (His) 
C) Lysine (Lys) 
D) Valine (Val) 
A) Arganine (Arg) 
B) Histidine (His) 
C) Lysine (Lys) 
D) Valine (Val)

Question 2

In the dark the reaction of 2-pentene with chlorine will form how many different products?

Accepted Answer

The answer of In the dark the reaction of 2-pentene...

Question 3

Identify the amino acid shown below.

Accepted Answer

A) Alanine (Ala) 
B) Glycine (Gly) 
C) Isoleucine (Ile) 
D) Leucine (Leu) 
A) Alanine (Ala) 
B) Glycine (Gly) 
C) Isoleucine (Ile) 
D) Leucine (Leu)

Question 4

Which one of the following molecules is the most polar?

Accepted Answer

A) butane 
B) butanoic acid 
C) cyclohexane 
D) ethanol 
A) butane 
B) butanoic acid 
C) cyclohexane 
D) ethanol

Question 5

Which of the following statements about benzene is true? Benzene

Accepted Answer

A) contains 3 long bonds and 3 short bonds. 
B) is a puckered,six-membered ring. 
C) is unusually stable because of delocalized pi electrons. 
D) readily undergoes addition reactions. 
A) contains 3 long bonds and 3 short bonds. 
B) is a puckered,six-membered ring. 
C) is unusually stable because of delocalized pi electrons. 
D) readily undergoes addition reactions.

Question 6

Which one of the following amino acids contains a hydrophobic side chain?

Accepted Answer

A) leucine 
B) serine 
C) threonine 
D) tyrosine 
A) leucine 
B) serine 
C) threonine 
D) tyrosine

Question 7

In the protein,Asn-Phe-Cys-Lys,which amino acid contains the C-terminal group?

Accepted Answer

A) asparagine 
B) cysteine 
C) lysine 
D) phenylalanine 
A) asparagine 
B) cysteine 
C) lysine 
D) phenylalanine

Question 8

What is the IUPAC name for the following compound?

Accepted Answer

A) heptane 
B) 3,3-dimethylpentane 
C) 2,2-dimethyl-2-ethylpropane 
D) 2,2-diethylpropane 
A) heptane 
B) 3,3-dimethylpentane 
C) 2,2-dimethyl-2-ethylpropane 
D) 2,2-diethylpropane

Question 9

"Wood alcohol" is the common name for

Accepted Answer

A) methanol. 
B) ethanol. 
C) 2-propanol. 
D) 1,2-ethanediol. 
A) methanol. 
B) ethanol. 
C) 2-propanol. 
D) 1,2-ethanediol.

Question 10

Transfer-RNA is involved in

Accepted Answer

A) replication. 
B) transcription. 
C) translation. 
D) none of these 
A) replication. 
B) transcription. 
C) translation. 
D) none of these

Question 11

Which of the following pairs have the most similar chemical properties?

Accepted Answer

A) alkanes and carboxylic acids 
B) alkenes and aromatics 
C) amines and esters 
D) ketones and aldehydes 
A) alkanes and carboxylic acids 
B) alkenes and aromatics 
C) amines and esters 
D) ketones and aldehydes

Question 12

Which of the following statements about cycloalkanes is true?

Accepted Answer

A) The bonds in cyclopropane and cyclobutane are weaker than other cycloalkanes. 
B) Cycloalkanes are also called "acyclic" compounds. 
C) Cyclopropane has 109° bond angles. 
D) Most cycloalkanes are planar molecules. 
A) The bonds in cyclopropane and cyclobutane are weaker than other cycloalkanes. 
B) Cycloalkanes are also called "acyclic" compounds. 
C) Cyclopropane has 109° bond angles. 
D) Most cycloalkanes are planar molecules.

Question 13

The condensed formula of the smallest molecule that contains the ether functional group is ________.

Accepted Answer

The answer of The condensed formula of the smallest molecule...

Question 14

Which functional group below represents a carboxylic acid?

Accepted Answer

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

Question 15

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 16

Which is an amino acid acidic side chain?

Accepted Answer

A) -CH3 
B) -CH2OH 
C) -CH2CO2H 
D) -CH2CH2CH2CH2NH2 
A) -CH3 
B) -CH2OH 
C) -CH2CO2H 
D) -CH2CH2CH2CH2NH2

Question 17

Which one of the following amino acids contains a hydrophobic side chain?

Accepted Answer

A) valine 
B) histidine 
C) glutamine 
D) glutamic acid 
A) valine 
B) histidine 
C) glutamine 
D) glutamic acid

Question 18

What is the name for the alkyl group:

Accepted Answer

A) isobutyl 
B) tert-butyl 
C) tributyl 
D) trimethyl 
A) isobutyl 
B) tert-butyl 
C) tributyl 
D) trimethyl

Question 19

Which of the following notations represents the dipeptide shown below?

Accepted Answer

A) Phe-Thr 
B) Thr-Phe 
C) Ser-Tyr 
D) Tyr-Ser 
A) Phe-Thr 
B) Thr-Phe 
C) Ser-Tyr 
D) Tyr-Ser

Question 20

Which one of the following does not contain a polar carbonyl group?

Accepted Answer

A) an amine 
B) a carboxylic acid 
C) an ester 
D) a ketone 
A) an amine 
B) a carboxylic acid 
C) an ester 
D) a ketone

Exam 23: Organic and Biological Chemistry

Identify the amino acid shown below.

In the dark the reaction of 2-pentene with chlorine will form how many different products?

Identify the amino acid shown below.

Which one of the following molecules is the most polar?

Which of the following statements about benzene is true? Benzene

Which one of the following amino acids contains a hydrophobic side chain?

In the protein,Asn-Phe-Cys-Lys,which amino acid contains the C-terminal group?

What is the IUPAC name for the following compound?

"Wood alcohol" is the common name for

Transfer-RNA is involved in

Which of the following pairs have the most similar chemical properties?

Which of the following statements about cycloalkanes is true?

The condensed formula of the smallest molecule that contains the ether functional group is ________.

Which functional group below represents a carboxylic acid?

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

Which is an amino acid acidic side chain?

Which one of the following amino acids contains a hydrophobic side chain?

What is the name for the alkyl group:

Which of the following notations represents the dipeptide shown below?

Which one of the following does not contain a polar carbonyl group?

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