Question 1

MATCHING
Match the molecule with the appropriate word or phrase.
a.carbohydrate
c.nucleic acid
b.lipid
d.protein
-cholesterol

Accepted Answer

The answer of MATCHING
Match the molecule with the appropriate word...

Question 2

Proteins with alpha-helical forms exhibit this property:

Accepted Answer

A)   strength.
B)   elasticity.
C)   heat stability.
D)   rigidity.
E)   hydrophobicity.F) B) and E)
G) A) and D)

Question 3

Fats high in unsaturated fatty acids tend to be solid at room temperature.
__________________

Accepted Answer

A) True 
 B)False

Question 4

Cyclic AMP is a type of nucleotide.
__________________

Accepted Answer

A) True 
 B)False

Question 5

The number of electron pairs shared between carbon 2 and 3 in the accompanying figure is:

Accepted Answer

A)   one.
B)   one and a half.
C)   two.
D)   three.
E)   fourF) A) and B)
G) A) and D)

Question 6

Which of the following molecules is not grouped with the lipids?

Accepted Answer

A)   prostaglandins.
B)   steroids.
C)   cholesterol.
D)   carotenoids.
E)   glycoproteinsF) C) and D)
G) A) and B)

Question 7

Identify the levels of organization for protein molecules, and list the type(s) of bond(s) involved in establishing each structural level.

Accepted Answer

Primary structure: peptide bonds
Seconda...

Question 8

Which of the following illustrates hydrolysis?

Accepted Answer

A)   the reaction of two monosaccharides to form a disaccharide
B)   the reaction of two amino acids to form a dipeptide
C)   the reaction of a hydrogen atom and a hydroxide ion to form water
D)   the reaction of a fat to form glycerol and fatty acids
E)   the formation of ATP from ADP and inorganic phosphateF) None of the above
G) B) and D)

Question 9

Sickle cell anemia is a genetic disease caused by the replacement of one amino acid in the hemoglobin molecule.This replacement changes the shape and function of the hemoglobin protein in dramatic ways, which can sometimes be lethal.How can the substitution of one amino acid lead to such drastic results?

Accepted Answer

Concepts to Consider: Amino ac...

Question 10

Molecular chaperones are proteins that mediate the folding process of:

Accepted Answer

A)   other proteins.
B)   amino acids.
C)   lipids.
D)   DNA.
E)   sugars.F) B) and C)
G) A) and D)

Question 11

Glucose dissolves in water because:

Accepted Answer

A)   it ionizes.
B)   it is a polysaccharide.
C)   it has polar hydroxyl groups that interact with polar water molecules.
D)   it has a very reactive primary structure.
E)   it is hydrophobic.F) B) and C)
G) A) and D)

Question 12

Which of the following statements concerning unsaturated fats is correct?

Accepted Answer

A)   They are more common in animals.
B)   They have no double bonds in the carbon chains of their fatty acids.
C)   They are generally liquid at room temperature.
D)   They contain more hydrogen than do saturated fats having the same number of carbon atoms.
E)   They have fewer fatty acids per fat molecule than do saturated fats.F) A) and B)
G) All of the above

Question 13

A pyrimidine is double-ring molecule.
__________________

Accepted Answer

A) True 
 B)False

Question 14

Which one of the following carbohydrates is the most structurally complex?

Accepted Answer

A)   sucrose
B)   fructose
C)   cellulose
D)   glucose
E)   a disaccharideF) A) and B)
G) A) and C)

Question 15

MATCHING
Match the molecule with the appropriate word or phrase.
a.carbohydrate
c.nucleic acid
b.lipid
d.protein
-may contain thymine

Accepted Answer

The answer of MATCHING
Match the molecule with the appropriate word...

Question 16

Figure 3-1
Use the figure below to answer the corresponding question(s) . 
-The process illustrated in Figure 3-1 is called:

Accepted Answer

A)   condensation.
B)   protein synthesis.
C)   hydrolysis.
D)   dehydration synthesis.
E)   denaturation.F) A) and B)
G) A) and E)

Question 17

DNA most directly determines which __________ are made by a cell.

Accepted Answer

A)   polysaccharides
B)   polypeptides
C)   nucleotides
D)   triglycerides
E)   fatty acidsF) C) and D)
G) B) and C)

Question 18

What does the term "functional group" mean in reference to the structure of organic molecules? Identify two types of functional groups and describe their chemical properties.

Accepted Answer

A functional group is a group of atoms t...

Question 19

The chemical interactions of large organic molecules are largely determined by:

Accepted Answer

A)   their solubility in water.
B)   their functional groups.
C)   their polar nature.
D)   isomerization of these hydrocarbons into other forms.
E)   the hydrogens bonded to the carbon atoms.F) A) and C)
G) None of the above

Question 20

Monosaccharides are water soluble because:

Accepted Answer

A)   they contain a large number of methyl groups.
B)   they have a large number of polar hydroxyl groups.
C)   they have at least one double bond between adjacent carbons.
D)   they have large numbers of nonpolar carbons in their backbones.
E)   they can form ring structures.F) B) and C)
G) B) and D)

Exam 3: The Chemistry of Life: Organic Compounds

A pyrimidine is double-ring molecule. __________________

Correct Answer
verified

MATCHING Match the molecule with the appropriate word or phrase. a.carbohydrate c.nucleic acid b.lipid d.protein -may contain thymine

Correct Answer
verified

Proteins with alpha-helical forms exhibit this property:

Correct Answer
verified

Which of the following illustrates hydrolysis?

Correct Answer
verified

The chemical interactions of large organic molecules are largely determined by:

Correct Answer
verified

Figure 3-1 Use the figure below to answer the corresponding question(s) . -The process illustrated in Figure 3-1 is called:

Correct Answer
verified

Glucose dissolves in water because:

Correct Answer
verified

Fats high in unsaturated fatty acids tend to be solid at room temperature. __________________

Correct Answer
verified

What does the term "functional group" mean in reference to the structure of organic molecules? Identify two types of functional groups and describe their chemical properties.

Correct Answer
verified
A functional group is a group of atoms t...
View Answer

DNA most directly determines which __________ are made by a cell.

Correct Answer
verified

Identify the levels of organization for protein molecules, and list the type(s) of bond(s) involved in establishing each structural level.

Correct Answer
verified
Primary structure: peptide bonds
Seconda...
View Answer

Which of the following molecules is not grouped with the lipids?

Correct Answer
verified

Molecular chaperones are proteins that mediate the folding process of:

Correct Answer
verified

Which of the following statements concerning unsaturated fats is correct?

Correct Answer
verified

Which one of the following carbohydrates is the most structurally complex?

Correct Answer
verified

MATCHING Match the molecule with the appropriate word or phrase. a.carbohydrate c.nucleic acid b.lipid d.protein -cholesterol

Correct Answer
verified

Correct Answer
verified
Concepts to Consider: Amino ac...
View Answer

Cyclic AMP is a type of nucleotide. __________________

Correct Answer
verified

The number of electron pairs shared between carbon 2 and 3 in the accompanying figure is:

Correct Answer
verified

Monosaccharides are water soluble because:

Correct Answer
verified

Exam 3: The Chemistry of Life: Organic Compounds

A pyrimidine is double-ring molecule. __________________

Correct AnswerverifiedShow Answer

MATCHING Match the molecule with the appropriate word or phrase. a.carbohydrate c.nucleic acid b.lipid d.protein -may contain thymine

Correct AnswerverifiedShow Answer

Proteins with alpha-helical forms exhibit this property:

Correct AnswerverifiedShow Answer

Which of the following illustrates hydrolysis?

Correct AnswerverifiedShow Answer

The chemical interactions of large organic molecules are largely determined by:

Correct AnswerverifiedShow Answer

Figure 3-1 Use the figure below to answer the corresponding question(s) . -The process illustrated in Figure 3-1 is called:

Correct AnswerverifiedShow Answer

Glucose dissolves in water because:

Correct AnswerverifiedShow Answer

Fats high in unsaturated fatty acids tend to be solid at room temperature. __________________

Correct AnswerverifiedShow Answer

What does the term "functional group" mean in reference to the structure of organic molecules? Identify two types of functional groups and describe their chemical properties.

Correct AnswerverifiedA functional group is a group of atoms t...View AnswerShow Answer

DNA most directly determines which __________ are made by a cell.

Correct AnswerverifiedShow Answer

Identify the levels of organization for protein molecules, and list the type(s) of bond(s) involved in establishing each structural level.

Correct AnswerverifiedPrimary structure: peptide bondsSeconda...View AnswerShow Answer

Which of the following molecules is not grouped with the lipids?

Correct AnswerverifiedShow Answer

Molecular chaperones are proteins that mediate the folding process of:

Correct AnswerverifiedShow Answer

Which of the following statements concerning unsaturated fats is correct?

Correct AnswerverifiedShow Answer

Which one of the following carbohydrates is the most structurally complex?

Correct AnswerverifiedShow Answer

MATCHING Match the molecule with the appropriate word or phrase. a.carbohydrate c.nucleic acid b.lipid d.protein -cholesterol

Correct AnswerverifiedShow Answer

Correct AnswerverifiedConcepts to Consider: Amino ac...View AnswerShow Answer

Cyclic AMP is a type of nucleotide. __________________

Correct AnswerverifiedShow Answer

The number of electron pairs shared between carbon 2 and 3 in the accompanying figure is:

Correct AnswerverifiedShow Answer

Monosaccharides are water soluble because:

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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Correct Answer
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Correct Answer
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A functional group is a group of atoms t...
View Answer

Correct Answer
verified

Correct Answer
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Primary structure: peptide bonds
Seconda...
View Answer

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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Concepts to Consider: Amino ac...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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