Question 1

Is the following model of glucose in the α form or the β form?

Accepted Answer

A) α form 
B) β form 
A) α form 
B) β form

Question 2

"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 3

Shown are ball-and-stick (1)and space-filling (2)models of acetylene.  
-What is the H-C-C bond angle?

Accepted Answer

A) 90° 
B) 109.5° 
C) 120° 
D) 180° 
A) 90° 
B) 109.5° 
C) 120° 
D) 180°

Question 4

Which of the following is trans-2-butene? (Only bonds are shown in the skeletal structures below;the carbon and hydrogen atoms are deleted. )

Accepted Answer

A) structure a 
B) structure b 
C) structure c 
D) none of these 
A) structure a 
B) structure b 
C) structure c 
D) none of these

Question 5

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

Accepted Answer

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

Question 6

Identify the functional groups in the following compound.

Accepted Answer

A) alcohol and ketone 
B) alcohol,amine,and ketone 
C) amine and carboxylic acid 
D) amine,hydroxide,and ketone 
A) alcohol and ketone 
B) alcohol,amine,and ketone 
C) amine and carboxylic acid 
D) amine,hydroxide,and ketone

Question 7

Which compound is a saturated hydrocarbon?

Accepted Answer

A) benzene 
B) cyclohexene 
C) 2-methylpentane 
D) propylene 
A) benzene 
B) cyclohexene 
C) 2-methylpentane 
D) propylene

Question 8

The human body can synthesize ________ amino acids.

Accepted Answer

A) 3 
B) 11 
C) 8 
D) 15 
A) 3 
B) 11 
C) 8 
D) 15

Question 9

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 10

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 11

Identify the functional group.

Accepted Answer

A) carboxylic acid 
B) aldehyde 
C) ester 
D) ketone 
A) carboxylic acid 
B) aldehyde 
C) ester 
D) ketone

Question 12

All reactions in the human body are catalyzed by

Accepted Answer

A) carboxylic acids. 
B) alcohols. 
C) proteins. 
D) alkanes. 
A) carboxylic acids. 
B) alcohols. 
C) proteins. 
D) alkanes.

Question 13

Identify the amino acid shown below.

Accepted Answer

A) Methionine (Met) 
B) Phenylalanine (Phe) 
C) Proline (Pro) 
D) Tryptophan (Trp) 
A) Methionine (Met) 
B) Phenylalanine (Phe) 
C) Proline (Pro) 
D) Tryptophan (Trp)

Question 14

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 15

Shown are ball-and-stick (1)and space-filling (2)models of methane.  
-What hybrid orbitals are used by carbon to form covalent bonds with hydrogen?

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) sp3d 
A) sp 
B) sp2 
C) sp3 
D) sp3d

Question 16

Which of the following notations represents the polypeptide shown below?

Accepted Answer

A) Gly-Ala-Ser 
B) Gly-Val-Thr 
C) Ser-Ala-Gly 
D) Thr-Val-Gly 
A) Gly-Ala-Ser 
B) Gly-Val-Thr 
C) Ser-Ala-Gly 
D) Thr-Val-Gly

Question 17

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 18

Does tyrosine contain an aromatic ring?

Accepted Answer

The answer of Does tyrosine contain an aromatic ring?...

Question 19

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 20

What is an example of the proper number of bonds to carbon?

Accepted Answer

A) two double bonds 
B) one double bond + one triple bond 
C) three single bonds 
D) five single bonds 
A) two double bonds 
B) one double bond + one triple bond 
C) three single bonds 
D) five single bonds

Exam 23: Connections to Organic and Biological Chemistry

Is the following model of glucose in the α form or the β form?

"Wood alcohol" is the common name for

Shown are ball-and-stick (1)and space-filling (2)models of acetylene. -What is the H-C-C bond angle?

Which of the following is trans-2-butene? (Only bonds are shown in the skeletal structures below;the carbon and hydrogen atoms are deleted. )

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

Identify the functional groups in the following compound.

Which compound is a saturated hydrocarbon?

The human body can synthesize ________ amino acids.

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

Identify the amino acid shown below.

Identify the functional group.

All reactions in the human body are catalyzed by

Identify the amino acid shown below.

Identify the following dipeptide.

Shown are ball-and-stick (1)and space-filling (2)models of methane. -What hybrid orbitals are used by carbon to form covalent bonds with hydrogen?

Which of the following notations represents the polypeptide shown below?

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

Does tyrosine contain an aromatic ring?

To which family does this organic compound belong?

What is an example of the proper number of bonds to carbon?

Chemical Tools: Experimentation and Measurement

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories 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

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

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