Question 1

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 2

Identify the most abundant organic substance on earth.

Accepted Answer

A)  cellulose 
B)  fructose 
C)  amylopectin 
D)  starch 
E)  glycine 
A)  cellulose 
B)  fructose 
C)  amylopectin 
D)  starch 
E)  glycine

Question 3

Choose the polyunsaturated fatty acid from the compounds below.

Accepted Answer

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

Question 4

What is a codon?

Accepted Answer

A codon is a series

Question 5

Identify the smallest amino acid.

Accepted Answer

A)  glycine 
B)  isoleucine 
C)  phenylalanine 
D)  cysteine 
E)  aspartic acid 
A)  glycine 
B)  isoleucine 
C)  phenylalanine 
D)  cysteine 
E)  aspartic acid

Question 6

Identify the compound that is NOT an amino acid.

Accepted Answer

A)  phenylalanine 
B)  methionine 
C)  histidine 
D)  guanine 
E)  tryptophan 
A)  phenylalanine 
B)  methionine 
C)  histidine 
D)  guanine 
E)  tryptophan

Question 7

Identify fructose.

Accepted Answer

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

Question 8

Hemoglobin is an example of

Accepted Answer

A)  a fibrous protein. 
B)  an α-helix. 
C)  a globular protein. 
D)  a tertiary structure. 
E)  a β-pleated sheet. 
A)  a fibrous protein. 
B)  an α-helix. 
C)  a globular protein. 
D)  a tertiary structure. 
E)  a β-pleated sheet.

Question 9

Identify a base that is NOT in DNA.

Accepted Answer

A)  adenine 
B)  cytosine 
C)  thymine 
D)  uracil 
E)  guanine 
A)  adenine 
B)  cytosine 
C)  thymine 
D)  uracil 
E)  guanine

Question 10

Choose the disaccharide from the compounds below.

Accepted Answer

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

Question 11

Give the definition of biochemistry.

Accepted Answer

A)  the study of the chemistry of living organisms 
B)  the study of the biology of dead organisms 
C)  the study of the chemistry of dead organisms 
D)  the study of the biology of living organisms 
E)  the study of polymers 
A)  the study of the chemistry of living organisms 
B)  the study of the biology of dead organisms 
C)  the study of the chemistry of dead organisms 
D)  the study of the biology of living organisms 
E)  the study of polymers

Question 12

Identify glucose.

Accepted Answer

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

Question 13

Which of the following link together amino acid units?

Accepted Answer

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

Question 14

How many chromosomes are in the nuclei of human cells?

Accepted Answer

A)  42 
B)  45 
C)  46 
D)  49 
E)  50 
A)  42 
B)  45 
C)  46 
D)  49 
E)  50

Question 15

Identify the type of bond between the two strands of DNA.

Accepted Answer

A)  hydrogen bonds 
B)  London dispersion forces 
C)  dipole-dipole bonds 
D)  amide bonds 
E)  water bonds 
A)  hydrogen bonds 
B)  London dispersion forces 
C)  dipole-dipole bonds 
D)  amide bonds 
E)  water bonds

Question 16

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly),valine (Val),and leucine (Leu)?

Accepted Answer

A)  GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly 
B)  GlyValLeu, GlyLeuVal, LeuGlyVal 
C)  ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal 
D)  ValGlyLeu and GlyLeuVal 
E)  GlyValLeu 
A)  GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly 
B)  GlyValLeu, GlyLeuVal, LeuGlyVal 
C)  ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal 
D)  ValGlyLeu and GlyLeuVal 
E)  GlyValLeu

Question 17

Choose the polyunsaturated triglyceride from the compounds below.

Accepted Answer

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

Question 18

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 19

Which of the following statements is TRUE?

Accepted Answer

A)  Cytosine and Thymine are a complementary base pair that forms 3 hydrogen bonds. 
B)  Adenine and Guanine are a complementary base pair that forms 3 hydrogen bonds. 
C)  Cytosine and Guanine are a complementary base pair that forms 2 hydrogen bonds. 
D)  Thymine and Adenine are a complementary base pair that forms 2 hydrogen bonds. 
E)  Thymine and Guanine are a complementary base pair that forms 2 hydrogen bonds. 
A)  Cytosine and Thymine are a complementary base pair that forms 3 hydrogen bonds. 
B)  Adenine and Guanine are a complementary base pair that forms 3 hydrogen bonds. 
C)  Cytosine and Guanine are a complementary base pair that forms 2 hydrogen bonds. 
D)  Thymine and Adenine are a complementary base pair that forms 2 hydrogen bonds. 
E)  Thymine and Guanine are a complementary base pair that forms 2 hydrogen bonds.

Question 20

Identify a base that is NOT in RNA.

Accepted Answer

A)  adenine 
B)  cytosine 
C)  thymine 
D)  guanine 
E)  uracil 
A)  adenine 
B)  cytosine 
C)  thymine 
D)  guanine 
E)  uracil

Exam 22: Biochemistry

What type of lipid is the following compound?

Identify the most abundant organic substance on earth.

Choose the polyunsaturated fatty acid from the compounds below.

What is a codon?

Identify the smallest amino acid.

Identify the compound that is NOT an amino acid.

Identify fructose.

Hemoglobin is an example of

Identify a base that is NOT in DNA.

Choose the disaccharide from the compounds below.

Give the definition of biochemistry.

Identify glucose.

Which of the following link together amino acid units?

How many chromosomes are in the nuclei of human cells?

Identify the type of bond between the two strands of DNA.

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly),valine (Val),and leucine (Leu)?

Choose the polyunsaturated triglyceride from the compounds below.

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

Which of the following statements is TRUE?

Identify a base that is NOT in RNA.

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

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,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

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