Question 1

Which of the following will increase the rate of a chemical reaction?

Accepted Answer

A)   An increase in reactant concentration
B)   An increase in product concentration
C)   A decreased temperature
D)   Enzyme inhibitionE) B) and C)
F) None of the above

Question 2

Triglycerides consist of a 3-carbon compound called __________ bound to three __________.

Accepted Answer

A)   pyruvate;fatty acids
B)   lactate;glycerols
C)   eicosanoid;steroids
D)   glycerol;fatty acids
E)   sterol;fatty acidsF) A) and B)
G) B) and C)

Question 3

A chemical reaction that removes electrons from an atom is called a(n) __________ reaction.

Accepted Answer

A)   reduction
B)   condensation
C)   hydrolysis
D)   anabolic
E)   oxidationF) A) and E)
G) C) and D)

Question 4

__________ are major components of cell membranes,and are said to be __________.

Accepted Answer

A)   Triglycerides;hydrophobic
B)   Steroids;hydrophilic
C)   Bile acids;fat-soluble
D)   Eicosanoids;water-soluble
E)   Phospholipids;amphiphilicF) C) and E)
G) All of the above

Question 5

Proteins perform all of the following functions except __________.

Accepted Answer

A)   catalyze metabolic reactions
B)   give structural strength to cells and tissues
C)   produce muscular and other forms of movement
D)   regulate transport of solutes into and out of cells
E)   store hereditary informationF) B) and E)
G) B) and C)

Question 6

A dipeptide is a molecule with two peptide bonds.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following terms encompasses all of the other ones?

Accepted Answer

A)   Catabolism
B)   Anabolism
C)   Metabolism
D)   Oxidation reactions
E)   Reduction reactionsF) C) and E)
G) B) and C)

Question 8

A molecule that is oxidized gains electrons and energy.

Accepted Answer

A) True 
 B)False

Question 9

The breakdown of glycogen (an energy-storage compound) is an example of a(n) __________ reaction.

Accepted Answer

A)   exergonic
B)   endergonic
C)   exchange
D)   synthesis
E)   equilibriumF) A) and E)
G) C) and D)

Question 10

The most abundant element in the human body,by weight,is __________.

Accepted Answer

A)   nitrogen
B)   hydrogen
C)   carbon
D)   oxygen
E)   calciumF) A) and B)
G) A) and C)

Question 11

What type of bond attracts one water molecule to another?

Accepted Answer

A)   An ionic bond
B)   A peptide bond
C)   A hydrogen bond
D)   A covalent bond
E)   A hydrolytic bondF) A) and E)
G) A) and C)

Question 12

Minerals are found in all of the following except __________.

Accepted Answer

A)   bones and teeth
B)   vitamins
C)   thyroid hormone
D)   electrolytesE) B) and D)
F) All of the above

Question 13

__________ differ from one another in their number of neutrons and atomic mass.

Accepted Answer

A)   Cations
B)   Anions
C)   Isotopes
D)   Electrolytes
E)   Free radicalsF) A) and B)
G) A) and E)

Question 14

Carbon is very versatile in forming bonds with other atoms because it has __________ valence electrons.

Accepted Answer

A)   four
B)   two
C)   eight
D)   sixE) A) and D)
F) A) and C)

Exam 2: The Chemistry of Life

A dipeptide is a molecule with two peptide bonds.

Correct Answer
verified

The breakdown of glycogen (an energy-storage compound) is an example of a(n) __________ reaction.

Correct Answer
verified

Which of the following will increase the rate of a chemical reaction?

Correct Answer
verified

Minerals are found in all of the following except __________.

Correct Answer
verified

are major components of cell membranes,and are said to be .

Correct Answer
verified

Proteins perform all of the following functions except __________.

Correct Answer
verified

__________ differ from one another in their number of neutrons and atomic mass.

Correct Answer
verified

A molecule that is oxidized gains electrons and energy.

Correct Answer
verified

Carbon is very versatile in forming bonds with other atoms because it has __________ valence electrons.

Correct Answer
verified

Which of the following terms encompasses all of the other ones?

Correct Answer
verified

The most abundant element in the human body,by weight,is __________.

Correct Answer
verified

What type of bond attracts one water molecule to another?

Correct Answer
verified

Triglycerides consist of a 3-carbon compound called bound to three .

Correct Answer
verified

A chemical reaction that removes electrons from an atom is called a(n) __________ reaction.

Correct Answer
verified

Exam 2: The Chemistry of Life

A dipeptide is a molecule with two peptide bonds.

Correct AnswerverifiedShow Answer

The breakdown of glycogen (an energy-storage compound) is an example of a(n) __________ reaction.

Correct AnswerverifiedShow Answer

Which of the following will increase the rate of a chemical reaction?

Correct AnswerverifiedShow Answer

Minerals are found in all of the following except __________.

Correct AnswerverifiedShow Answer

__________ are major components of cell membranes,and are said to be __________.

Correct AnswerverifiedShow Answer

Proteins perform all of the following functions except __________.

Correct AnswerverifiedShow Answer

__________ differ from one another in their number of neutrons and atomic mass.

Correct AnswerverifiedShow Answer

A molecule that is oxidized gains electrons and energy.

Correct AnswerverifiedShow Answer

Carbon is very versatile in forming bonds with other atoms because it has __________ valence electrons.

Correct AnswerverifiedShow Answer

Which of the following terms encompasses all of the other ones?

Correct AnswerverifiedShow Answer

The most abundant element in the human body,by weight,is __________.

Correct AnswerverifiedShow Answer

What type of bond attracts one water molecule to another?

Correct AnswerverifiedShow Answer

Triglycerides consist of a 3-carbon compound called __________ bound to three __________.

Correct AnswerverifiedShow Answer

A chemical reaction that removes electrons from an atom is called a(n) __________ reaction.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

are major components of cell membranes,and are said to be .

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Triglycerides consist of a 3-carbon compound called bound to three .

Correct Answer
verified

Correct Answer
verified