Question 1

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

Accepted Answer

A)  AGTTCGAGCCT 
B)  TCCGAGCTTGA 
C)  CAGTCCA 
D)  AGGCTCGAACT 
E)  TCAAGCTCGGA 
A)  AGTTCGAGCCT 
B)  TCCGAGCTTGA 
C)  CAGTCCA 
D)  AGGCTCGAACT 
E)  TCAAGCTCGGA

Question 2

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 3

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 4

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 5

What is the difference between an a-glycosidic linkage and a b-glycosidic linkage? What implication does this have for the strength of the intermolecular forces between molecules?

Accepted Answer

The a-glycosidic linkage in starches cau

Question 6

Which of the following statements is TRUE?

Accepted Answer

A)  Cytosine and Thymine are a complementary base pair that forms three hydrogen bonds. 
B)  Thymine and Guanine are a complementary base pair that forms three hydrogen bonds. 
C)  Cytosine and Guanine are a complementary base pair that forms two hydrogen bonds. 
D)  Thymine and Adenine are a complementary base pair that forms two hydrogen bonds. 
E)  Thymine and Guanine are a complementary base pair that forms two hydrogen bonds. 
A)  Cytosine and Thymine are a complementary base pair that forms three hydrogen bonds. 
B)  Thymine and Guanine are a complementary base pair that forms three hydrogen bonds. 
C)  Cytosine and Guanine are a complementary base pair that forms two hydrogen bonds. 
D)  Thymine and Adenine are a complementary base pair that forms two hydrogen bonds. 
E)  Thymine and Guanine are a complementary base pair that forms two hydrogen bonds.

Question 7

Which of the following is an example of a ketopentose?

Accepted Answer

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

Question 8

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 9

Which of the following link together into amino acid units?

Accepted Answer

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

Question 10

Choose the saturated fatty acid from the compounds below.

Accepted Answer

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

Question 11

Which of the following statements is TRUE?

Accepted Answer

A)  A nucleotide is composed of a sugar, a base, and a sulfate group. 
B)  A codon is a sequence of three bases that codes for a single peptide. 
C)  A gene is a portion of DNA that codes for a single protein. 
D)  Three bases in a sequence form a chromosome, and a set of chromosomes builds up DNA. 
E)  Two helices that form one DNA molecule are held together by peptide bonds. 
A)  A nucleotide is composed of a sugar, a base, and a sulfate group. 
B)  A codon is a sequence of three bases that codes for a single peptide. 
C)  A gene is a portion of DNA that codes for a single protein. 
D)  Three bases in a sequence form a chromosome, and a set of chromosomes builds up DNA. 
E)  Two helices that form one DNA molecule are held together by peptide bonds.

Question 12

How do cis- and trans-fats differ?

Accepted Answer

Since trans double-bond-containing molec

Question 13

Which of the following is an example of an aldopentose?

Accepted Answer

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

Question 14

Choose the monosaccharide from the compounds below.

Accepted Answer

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

Question 15

In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

Accepted Answer

A)  proline 
B)  leucine 
C)  glutamine 
D)  arginine 
A)  proline 
B)  leucine 
C)  glutamine 
D)  arginine

Question 16

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 17

Choose the polyunsaturated fatty acid from the compounds below.

Accepted Answer

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

Question 18

Identify glucose.

Accepted Answer

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

Question 19

Match the following.
-

Accepted Answer

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

Question 20

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

Exam 22: Biochemistry

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

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

What type of lipid is the following compound?

What type of lipid is the following compound?

What is the difference between an a-glycosidic linkage and a b-glycosidic linkage? What implication does this have for the strength of the intermolecular forces between molecules?

Which of the following statements is TRUE?

Which of the following is an example of a ketopentose?

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

Which of the following link together into amino acid units?

Choose the saturated fatty acid from the compounds below.

Which of the following statements is TRUE?

How do cis- and trans-fats differ?

Which of the following is an example of an aldopentose?

Choose the monosaccharide from the compounds below.

In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

Identify the disaccharide.

Choose the polyunsaturated fatty acid from the compounds below.

Identify glucose.

Match the following. -

Which of the following describes a primary protein structure?

Units of Measurement for Physical and Chemical Change

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Chemical Reactions and Stoichiometry

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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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