Question 1

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 F

Question 2

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 E

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 D

Question 4

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 @#LAT-DLM&-glycosidic linkage in starches caus

Question 5

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

Accepted Answer

A) alanine 
B) glycine 
C) threonine 
D) valine 
A) alanine 
B) glycine 
C) threonine 
D) valine

Question 6

Which of the following form between glycerol and fatty acids to form triglycerides?

Accepted Answer

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

Question 7

In the sequence His-Tyr-Val-Pro, which amino acid contains the N-terminal group?

Accepted Answer

A) valine 
B) tyrosine 
C) proline 
D) histidine 
A) valine 
B) tyrosine 
C) proline 
D) histidine

Question 8

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 9

Which of the following is an example of an aldopentose?

Accepted Answer

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

Question 10

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 11

Identify glucose.

Accepted Answer

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

Question 12

Choose the saturated fatty acid from the compounds below.

Accepted Answer

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

Question 13

Which of the following is a type of nucleic acid?

Accepted Answer

A) RNA 
B) amino acid 
C) dipeptide 
D) carbohydrate 
E) lipid 
A) RNA 
B) amino acid 
C) dipeptide 
D) carbohydrate 
E) lipid

Question 14

What is a codon?

Accepted Answer

A codon is a series

Question 15

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 16

Identify the polysaccharide.

Accepted Answer

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

Question 17

Which of the following shows all of the tripeptides that can be formed from one molecule each of lysine (Lys), threonine (Thr), and histidine (His)?

Accepted Answer

A) LysThrHis 
B) LysThrHis, LysHisThr, HisThrLys, HisLysThr, ThrLysHis, ThrHisLys 
C) LysThrHis, LysHisThr, HisLysThr, ThrHisLys 
D) LysThrHis, LysHisThr, HisLysThr 
E) LysThrHis and LysHisThr 
A) LysThrHis 
B) LysThrHis, LysHisThr, HisThrLys, HisLysThr, ThrLysHis, ThrHisLys 
C) LysThrHis, LysHisThr, HisLysThr, ThrHisLys 
D) LysThrHis, LysHisThr, HisLysThr 
E) LysThrHis and LysHisThr

Question 18

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

Accepted Answer

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

Question 19

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 20

Why does the melting point of fatty acids decrease with the number of double bonds present?

Accepted Answer

The melting points of fatty acids are de

Exam 22: Biochemistry

Match the following. -

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 one of the following amino acids contains a polar side chain?

Which of the following form between glycerol and fatty acids to form triglycerides?

In the sequence His-Tyr-Val-Pro, which amino acid contains the N-terminal group?

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

Which of the following is an example of an aldopentose?

What type of lipid is the following compound?

Identify glucose.

Choose the saturated fatty acid from the compounds below.

Which of the following is a type of nucleic acid?

What is a codon?

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

Identify the polysaccharide.

Which of the following shows all of the tripeptides that can be formed from one molecule each of lysine (Lys), threonine (Thr), and histidine (His)?

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

Which of the following statements is TRUE?

Why does the melting point of fatty acids decrease with the number of double bonds present?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

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

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

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