Question 1

Which functional group will attach to a hydrocarbon chain to form alcohol?

Accepted Answer

A)   hydroxyl
B)   carbonyl
C)   carboxyl
D)   amino
E)   phosphateF) C) and D)
G) B) and C)

Question 2

ATP is a protein that supplies energy to the cell.

Accepted Answer

A) True 
 B)False

Question 3

Which of these statements is NOT true about DNA?

Accepted Answer

A)   It is the genetic material of the cell.
B)   It forms a double helix.
C)   Adenine pairs with thymine and guanine pairs with cytosine.
D)   It contains the sugar ribose.
E)   The sugar and phosphate groups form the backbone of the molecule.F) A) and D)
G) A) and C)

Question 4

If a certain segment of DNA has 30% adenine in its base composition, what percentage of guanine will there be? ev: 10_30_2013_QC_37868

Accepted Answer

Adenine and thymine are complementary ba...

Question 5

After eating eggs for breakfast, you return in the evening, dunk the dirty dishes in water, and notice the yellow streaks remain "dried on." However, after soaking awhile, the complex of various egg yolk molecules easily "washes off." What has happened?

Accepted Answer

A)   Heating denatured the egg protein molecules, hydrolysis reactions then formed bonds in the dried egg, and soaking in water eventually resulted in condensation reactions where water broke these bonds.
B)   Heating denatured the egg protein molecules, unorganized condensation reactions then formed bonds in the drying egg, and soaking in water eventually resulted in hydrolysis reactions where water broke these bonds.
C)   The egg monomers were fused to become one polymer, which was easily dissolved by water back into monomers.
D)   The presence or absence of water changes the molecules from hydrophilic to hydrophobic respectively.
E)   The addition of water converted organic molecules into inorganic molecules.F) C) and D)
G) D) and E)

Question 6

The differences between organic and inorganic molecules do not follow simple absolute rules. However, most organic molecules are associated with living organisms. Which of the following statements does NOT correspond to the general distinctions between these types of molecules?

Accepted Answer

A)   Carbon dioxide (CO2)  lacks hydrogen atoms found in organic molecules.
B)   Formaldehyde (CH2O)  is a small molecule compared to most organic molecules.
C)   Salt (Na+Cl-)  is not an organic molecule but is important to the life of many organisms.
D)   Because they are in living organisms, organic carbon atoms are different from the inorganic carbon atoms forming the molecular structure of soot or a diamond.E) A) and D)
F) B) and C)

Question 7

Identify this molecule:

Accepted Answer

A)   amino acid
B)   hydrocarbon
C)   carbohydrate
D)   alcohol
E)   lipidF) B) and E)
G) B) and C)

Question 8

Choose the Figure that depicts polymer synthesis.

Accepted Answer

A)   Figure 1
B)   Figure 2 Figure 2 depicts a polymer being hydrolyzed. In degradation, the monomers in a polymer separate during a hydrolysis reaction. A bond is broken as water is added.C) A) and B)
D) undefined

Question 9

The reactivity of an organic molecule is primarily dependent upon ____________ of the molecule.

Accepted Answer

A)   the carbon skeleton
B)   the attached functional groups such as a hydroxyl group
C)   the isomer
D)   All of the choices are correct.E) A) and D)
F) C) and D)

Question 10

Which Figure is that of an unsaturated fat?

Accepted Answer

A)   Figure A
B)   Figure B Figure A is an unsaturated fat. It has double bonds between the some of the carbon atoms. Figure B is a saturated fat with all single bonds between the carbon atoms.C) A) and B)
D) undefined

Question 11

Identify the following molecule:

Accepted Answer

A)   amino acid
B)   hydrocarbon
C)   carbohydrate
D)   alcohol
E)   cholesterolF) C) and D)
G) C) and E)

Question 12

Do disaccharide isomers exist? If so, describe how they are formed.

Accepted Answer

Two glucose molecules (each C₆H₁₂O₆) undergo...

Question 13

What is the molecular formula of these molecules? How do these molecules differ? Are these the same molecule?

Accepted Answer

These are different molecules,...

Question 14

Migratory birds store energy as glycogen which is lighter than fat.

Accepted Answer

A) True 
 B)False

Question 15

A saturated fat

Accepted Answer

A)   is often solid at room temperature.
B)   has fatty acids with no double bonds between the carbon atoms.
C)   is of animal origin.
D)   All of the choices are correct.E) All of the above
F) A) and C)

Question 16

A peptide bond is found in which type of biological molecule?

Accepted Answer

A)   carbohydrate
B)   lipid
C)   nucleic acid
D)   proteinE) B) and C)
F) A) and C)

Question 17

Below freezing and above boiling, cells are unable to function as "liquid machinery." However, most organisms' cells are still limited from functioning throughout this full range of liquid temperatures. At the molecular level in different organisms, cells' ability to vary in their tolerance to temperature, etc., is most closely related to variation in

Accepted Answer

A)   enzyme activity and protein denaturation.
B)   ATP efficiency.
C)   ability to form glucose polymers.
D)   replication of nucleic acids.
E)   extent of saturation of fatty acids.F) None of the above
G) A) and D)

Question 18

Which carbohydrate is used in the liver for energy storage?

Accepted Answer

A)   starch
B)   chitin
C)   cellulose
D)   glycogen
E)   glycerolF) None of the above
G) B) and D)

Question 19

The feet of penguins and reindeer contain large amounts of unsaturated triglycerides. Why would these animals have these fats in their feet rather than saturated fats?

Accepted Answer

Triglycerides containing fatty acids wit...

Question 20

Which of the following protein is correctly matched with its function?

Accepted Answer

A)   hemoglobin is found within the red blood cells
B)   myosin is found within the ligaments
C)   actin is found within the tendons
D)   collagen is found within the muscle cells
E)   hemoglobin is found within the cell membraneF) B) and E)
G) C) and D)

Exam 3: The Chemistry of Organic Molecules

Migratory birds store energy as glycogen which is lighter than fat.

Correct Answer
verified

Identify this molecule:

Correct Answer
verified

A peptide bond is found in which type of biological molecule?

Correct Answer
verified

A saturated fat

Correct Answer
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Choose the Figure that depicts polymer synthesis.

Correct Answer
verified

If a certain segment of DNA has 30% adenine in its base composition, what percentage of guanine will there be? ev: 10_30_2013_QC_37868

Correct Answer
verified
Adenine and thymine are complementary ba...
View Answer

The differences between organic and inorganic molecules do not follow simple absolute rules. However, most organic molecules are associated with living organisms. Which of the following statements does NOT correspond to the general distinctions between these types of molecules?

Correct Answer
verified

Which functional group will attach to a hydrocarbon chain to form alcohol?

Correct Answer
verified

The reactivity of an organic molecule is primarily dependent upon ____________ of the molecule.

Correct Answer
verified

Which of the following protein is correctly matched with its function?

Correct Answer
verified

Correct Answer
verified

Which Figure is that of an unsaturated fat?

Correct Answer
verified

The feet of penguins and reindeer contain large amounts of unsaturated triglycerides. Why would these animals have these fats in their feet rather than saturated fats?

Correct Answer
verified
Triglycerides containing fatty acids wit...
View Answer

What is the molecular formula of these molecules? How do these molecules differ? Are these the same molecule?

Correct Answer
verified
These are different molecules,...
View Answer

Identify the following molecule:

Correct Answer
verified

Do disaccharide isomers exist? If so, describe how they are formed.

Correct Answer
verified
Two glucose molecules (each C₆H₁₂O₆) undergo...
View Answer

After eating eggs for breakfast, you return in the evening, dunk the dirty dishes in water, and notice the yellow streaks remain "dried on." However, after soaking awhile, the complex of various egg yolk molecules easily "washes off." What has happened?

Correct Answer
verified

Which carbohydrate is used in the liver for energy storage?

Correct Answer
verified

ATP is a protein that supplies energy to the cell.

Correct Answer
verified

Which of these statements is NOT true about DNA?

Correct Answer
verified

Exam 3: The Chemistry of Organic Molecules

Migratory birds store energy as glycogen which is lighter than fat.

Correct AnswerverifiedShow Answer

Identify this molecule:

Correct AnswerverifiedShow Answer

A peptide bond is found in which type of biological molecule?

Correct AnswerverifiedShow Answer

A saturated fat

Correct AnswerverifiedShow Answer

Choose the Figure that depicts polymer synthesis.

Correct AnswerverifiedShow Answer

If a certain segment of DNA has 30% adenine in its base composition, what percentage of guanine will there be? ev: 10_30_2013_QC_37868

Correct AnswerverifiedAdenine and thymine are complementary ba...View AnswerShow Answer

The differences between organic and inorganic molecules do not follow simple absolute rules. However, most organic molecules are associated with living organisms. Which of the following statements does NOT correspond to the general distinctions between these types of molecules?

Correct AnswerverifiedShow Answer

Which functional group will attach to a hydrocarbon chain to form alcohol?

Correct AnswerverifiedShow Answer

The reactivity of an organic molecule is primarily dependent upon ____________ of the molecule.

Correct AnswerverifiedShow Answer

Which of the following protein is correctly matched with its function?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which Figure is that of an unsaturated fat?

Correct AnswerverifiedShow Answer

The feet of penguins and reindeer contain large amounts of unsaturated triglycerides. Why would these animals have these fats in their feet rather than saturated fats?

Correct AnswerverifiedTriglycerides containing fatty acids wit...View AnswerShow Answer

What is the molecular formula of these molecules? How do these molecules differ? Are these the same molecule?

Correct AnswerverifiedThese are different molecules,...View AnswerShow Answer

Identify the following molecule:

Correct AnswerverifiedShow Answer

Do disaccharide isomers exist? If so, describe how they are formed.

Correct AnswerverifiedTwo glucose molecules (each C6H12O6) undergo...View AnswerShow Answer

After eating eggs for breakfast, you return in the evening, dunk the dirty dishes in water, and notice the yellow streaks remain "dried on." However, after soaking awhile, the complex of various egg yolk molecules easily "washes off." What has happened?

Correct AnswerverifiedShow Answer

Which carbohydrate is used in the liver for energy storage?

Correct AnswerverifiedShow Answer

ATP is a protein that supplies energy to the cell.

Correct AnswerverifiedShow Answer

Which of these statements is NOT true about DNA?

Correct AnswerverifiedShow Answer

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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Adenine and thymine are complementary ba...
View Answer

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
verified

Correct Answer
verified
Triglycerides containing fatty acids wit...
View Answer

Correct Answer
verified
These are different molecules,...
View Answer

Correct Answer
verified

Correct Answer
verified
Two glucose molecules (each C₆H₁₂O₆) undergo...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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