Question 1

When frying an egg,the protein albumin denatures and maintains only its ________ structure.

Accepted Answer

A)   tertiary
B)   secondary
C)   quaternary
D)   primary

Question 2

Triglycerides are a poor source of stored energy.

Accepted Answer

A) True 
 B)False

Question 3

Figure 2.2
Using Figure 2.2, match the following:
-Hydrogen bonds.

Accepted Answer

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

Question 4

Lithium has an atomic number of 3.How many electrons are there in the outermost (valence) shell?

Accepted Answer

A)   one
B)   two
C)   zero
D)   three

Question 5

Carbohydrates are stored in the liver and skeletal muscles in the form of ________.

Accepted Answer

A)   triglycerides
B)   glycogen
C)   glucose
D)   cholesterol

Question 6

Figure 2.1
Using Figure 2.1, match the following:
-Lipid.

Accepted Answer

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

Question 7

Which of the following does NOT describe uses for the ATP molecule?

Accepted Answer

A)   pigment structure
B)   mechanical work
C)   transport across membranes
D)   chemical work

Question 8

Sucrose is a ________.

Accepted Answer

A)   disaccharide
B)   polysaccharide
C)   triglyceride
D)   monosaccharide

Question 9

How many phosphates would AMP have attached to it?

Accepted Answer

A)   three
B)   two
C)   one
D)   none

Question 10

Although his cholesterol levels were not high,Mr.Martinez read that cholesterol was bad for his health,so he eliminated all foods and food products containing this molecule.He later found that his cholesterol level dropped only 20%.Why did it not drop more?

Accepted Answer

Cholesterol is produ...

Question 11

________ is fat soluble,produced in the skin on exposure to UV radiation,and necessary for normal bone growth and function.

Accepted Answer

A)   Cortisol
B)   Vitamin K
C)   Vitamin A
D)   Vitamin D

Question 12

Are all chemical reactions reversible? If not,why aren't they all reversible?

Accepted Answer

All chemical reactions are the...

Question 13

What does the formula C6H12O6 mean?

Accepted Answer

A)   The substance is a colloid.
B)   There are 6 calcium, 12 hydrogen, and 6 oxygen atoms.
C)   The molecular weight is 24.
D)   There are, 6 carbon, 12 hydrogen, and 6 oxygen atoms.

Question 14

What is the major difference between polar and nonpolar covalent bonds?

Accepted Answer

Polar bonds have an unequal sharing of e...

Question 15

Match the following:
-Legs moving the pedals of a bicycle.

Accepted Answer

A)  Mechanical energy
B)  Chemical energy
C)  Electrical energy
D)  Radiant energy

Question 16

What structural level is represented by the coiling of the protein chain backbone into an alpha helix?

Accepted Answer

A)   tertiary structure
B)   secondary structure
C)   primary structure
D)   quaternary structure

Question 17

Which of the following statements is FALSE?

Accepted Answer

A)   Chemical reactions progress at a faster rate when the reacting particles are present in higher numbers.
B)   Catalysts increase the rate of chemical reactions, sometimes while undergoing reversible changes in shape.
C)   Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.
D)   Chemical reactions proceed more quickly at higher temperatures.

Question 18

Why is it possible for us to drink a solution that contains a mixture of equal concentration of a strong acid and a strong base,either of which,separately,would be very caustic?

Accepted Answer

When an acid and base of equal...

Question 19

Which of the following is a general function for a fibrous protein?

Accepted Answer

A)   protein management
B)   transport
C)   structural framework
D)   body defense
E)   catalysis

Question 20

What does CH4 mean?

Accepted Answer

A)   This is an inorganic molecule.
B)   This was involved in a redox reaction.
C)   There is one carbon and four hydrogen atoms.
D)   There are four carbon and four hydrogen atoms.

Exam 2: Chemistry Comes Alive

Which of the following does NOT describe uses for the ATP molecule?

Correct AnswerverifiedShow Answer

What is the major difference between polar and nonpolar covalent bonds?

Correct AnswerverifiedPolar bonds have an unequal sharing of e...View AnswerShow Answer

Which of the following statements is FALSE?

Correct AnswerverifiedShow Answer

Lithium has an atomic number of 3.How many electrons are there in the outermost (valence) shell?

Correct AnswerverifiedShow Answer

Triglycerides are a poor source of stored energy.

Correct AnswerverifiedShow Answer

Are all chemical reactions reversible? If not,why aren't they all reversible?

Correct AnswerverifiedAll chemical reactions are the...View AnswerShow Answer

What does the formula C6H12O6 mean?

Correct AnswerverifiedShow Answer

Although his cholesterol levels were not high,Mr.Martinez read that cholesterol was bad for his health,so he eliminated all foods and food products containing this molecule.He later found that his cholesterol level dropped only 20%.Why did it not drop more?

Correct AnswerverifiedCholesterol is produ...View AnswerShow Answer

Figure 2.2 Using Figure 2.2, match the following: -Hydrogen bonds.

Correct AnswerverifiedShow Answer

What does CH4 mean?

Correct AnswerverifiedShow Answer

How many phosphates would AMP have attached to it?

Correct AnswerverifiedShow Answer

________ is fat soluble,produced in the skin on exposure to UV radiation,and necessary for normal bone growth and function.

Correct AnswerverifiedShow Answer

Why is it possible for us to drink a solution that contains a mixture of equal concentration of a strong acid and a strong base,either of which,separately,would be very caustic?

Correct AnswerverifiedWhen an acid and base of equal...View AnswerShow Answer

When frying an egg,the protein albumin denatures and maintains only its ________ structure.

Correct AnswerverifiedShow Answer

Match the following: -Legs moving the pedals of a bicycle.

Correct AnswerverifiedShow Answer

Carbohydrates are stored in the liver and skeletal muscles in the form of ________.

Correct AnswerverifiedShow Answer

Sucrose is a ________.

Correct AnswerverifiedShow Answer

What structural level is represented by the coiling of the protein chain backbone into an alpha helix?

Correct AnswerverifiedShow Answer

Which of the following is a general function for a fibrous protein?

Correct AnswerverifiedShow Answer

Figure 2.1 Using Figure 2.1, match the following: -Lipid.

Correct AnswerverifiedShow Answer

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Polar bonds have an unequal sharing of e...
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All chemical reactions are the...
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Cholesterol is produ...
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What does CH₄ mean?

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When an acid and base of equal...
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