Question 1

Choose the polyunsaturated triglyceride from the compounds below.

Accepted Answer

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

Question 2

Match the following.

-

Accepted Answer

A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid 
A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid

Question 3

The following is part of a DNA sequence. What is its complementary sequence? TCGTAAGCTTGCG

Accepted Answer

A) AGCATTCGAACGC 
B) CGCAAGCTTACGA 
C) TCATTCAC 
D) GCGTTCGAATGCT 
E) TCGTAAGCTTGCG 
A) AGCATTCGAACGC 
B) CGCAAGCTTACGA 
C) TCATTCAC 
D) GCGTTCGAATGCT 
E) TCGTAAGCTTGCG

Question 4

Which of the following is an example of an aldohexose?

Accepted Answer

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

Question 5

Identify the disaccharide.

Accepted Answer

A) glucose 
B) cholesterol 
C) fructose 
D) cellulose 
E) sucrose 
A) glucose 
B) cholesterol 
C) fructose 
D) cellulose 
E) sucrose

Question 6

What type of lipid is the following compound?

Accepted Answer

A) steroid 
B) phospholipid 
C) glycolipid 
D) fatty acid 
E) triglyceride 
A) steroid 
B) phospholipid 
C) glycolipid 
D) fatty acid 
E) triglyceride

Question 7

Which of the following shows all of the tripeptides that can be formed from one molecule each of alanine (Ala), methionine (Met), and proline (Pro)?

Accepted Answer

A) AlaMetPro 
B) AlaMetPro and AlaProMet 
C) AlaMetPro, AlaProMet, ProMetAla, ProAlaMet, MetProAla, MetAlaPro 
D) AlaMetPro, AlaProMet, ProAlaMet 
E) AlaMetPro, AlaProMet, ProAlaMet, MetProAla 
A) AlaMetPro 
B) AlaMetPro and AlaProMet 
C) AlaMetPro, AlaProMet, ProMetAla, ProAlaMet, MetProAla, MetAlaPro 
D) AlaMetPro, AlaProMet, ProAlaMet 
E) AlaMetPro, AlaProMet, ProAlaMet, MetProAla

Question 8

Which one of the following amino acids does not contain a basic side chain?

Accepted Answer

A) arginine 
B) histidine 
C) lysine 
D) threonine 
A) arginine 
B) histidine 
C) lysine 
D) threonine

Question 9

Which of the following is an example of a secondary protein structure?

Accepted Answer

A) amino acid 
B) fatty acid 
C) lipid 
D) ($\beta$-pleated sheet) 
E) dipeptide 
A) amino acid 
B) fatty acid 
C) lipid 
D) ($\beta$-pleated sheet) 
E) dipeptide

Question 10

What is the appropriate name for the strongest intermolecular force holding together two strands of DNA to form a double helix?

Accepted Answer

A) hydrogen bonds 
B) London dispersion forces 
C) dipole-dipole bonds 
D) ionic bonds 
E) covalent bonds 
A) hydrogen bonds 
B) London dispersion forces 
C) dipole-dipole bonds 
D) ionic bonds 
E) covalent bonds

Question 11

How many of the carbons in the following structure are chiral?

Accepted Answer

A) 3 
B) 0 
C) 2 
D) 1 
E) 4 or more 
A) 3 
B) 0 
C) 2 
D) 1 
E) 4 or more

Question 12

Which of the following is an example of a secondary protein structure?

Accepted Answer

A) dipeptide 
B) triglyceride 
C) ($\alpha$-helix) 
D) amino acid 
E) fatty acid 
A) dipeptide 
B) triglyceride 
C) ($\alpha$-helix) 
D) amino acid 
E) fatty acid

Question 13

Match the following.

-

Accepted Answer

A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid 
A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid

Question 14

Which of the following has a tertiary protein structure?

Accepted Answer

A) amino acid 
B) fibrous protein 
C) nucleotide 
D) fatty acid 
E) globular protein 
A) amino acid 
B) fibrous protein 
C) nucleotide 
D) fatty acid 
E) globular protein

Question 15

How many chromosomes are in the nuclei of human cells?

Accepted Answer

A) 42 
B) 44 
C) 46 
D) 48 
E) 52 
A) 42 
B) 44 
C) 46 
D) 48 
E) 52

Question 16

Which of the following fatty acids is most likely to be a liquid at room temperature?

Accepted Answer

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

Question 17

Choose the disaccharide from the compounds below.

Accepted Answer

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

Question 18

Which of the following hold two strands of DNA in an a-helix?

Accepted Answer

A) ester linkages 
B) disulfide linkages 
C) peptide bonds 
D) hydrogen bonds 
E) glycosidic linkages 
A) ester linkages 
B) disulfide linkages 
C) peptide bonds 
D) hydrogen bonds 
E) glycosidic linkages

Question 19

Which of the following describes a primary protein structure?

Accepted Answer

A) protein structure maintained by disulfide linkages 
B) amino acid sequence maintained by peptide bonds 
C) protein chains maintained by interactions of peptide backbones 
D) arrangement of multiple protein subunits 
E) protein structure maintained through multiple hydrogen bonds 
A) protein structure maintained by disulfide linkages 
B) amino acid sequence maintained by peptide bonds 
C) protein chains maintained by interactions of peptide backbones 
D) arrangement of multiple protein subunits 
E) protein structure maintained through multiple hydrogen bonds

Question 20

Match the following.

-

Accepted Answer

A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid 
A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid

Exam 22: Biochemistry

Choose the polyunsaturated triglyceride from the compounds below.

Match the following. -

The following is part of a DNA sequence. What is its complementary sequence? TCGTAAGCTTGCG

Which of the following is an example of an aldohexose?

Identify the disaccharide.

What type of lipid is the following compound?

Which of the following shows all of the tripeptides that can be formed from one molecule each of alanine (Ala), methionine (Met), and proline (Pro)?

Which one of the following amino acids does not contain a basic side chain?

Which of the following is an example of a secondary protein structure?

What is the appropriate name for the strongest intermolecular force holding together two strands of DNA to form a double helix?

How many of the carbons in the following structure are chiral?

Which of the following is an example of a secondary protein structure?

Match the following. -

Which of the following has a tertiary protein structure?

How many chromosomes are in the nuclei of human cells?

Which of the following fatty acids is most likely to be a liquid at room temperature?

Choose the disaccharide from the compounds below.

Which of the following hold two strands of DNA in an a-helix?

Which of the following describes a primary protein structure?

Match the following. -

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

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Thermochemistry

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Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

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Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

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Organic Chemistry II: Reactions

Chemistry of the Nonmetals

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