Question 1

How are lipids different than other categories or biological molecules?

Accepted Answer

A)   They are not seen in all living things.
B)   They do not have carbon.
C)   They are much more complex.
D)   They are not actually polymers.
E)   They are not organic.F) A) and D)
G) A) and E)

Question 2

Which of the following is not an organic molecule?

Accepted Answer

A)   CaCO3
B)   C?6H12O6
C)   C256H381N65O79S6
D)   C18H34O2
E)   CH4F) B) and E)
G) A) and B)

Question 3

A nucleotide is made of which of the following chemical components?

Accepted Answer

A)   a nitrogen-containing base, an amino acid, and a five-carbon sugar
B)   a nitrogen-containing base, an amino acid, and a phosphate group
C)   a nitrogen-containing base, a phosphate group, and a sugar
D)   a nitrogen-containing base, a fatty acid, and an amino acid
E)   a long chain of glucose unitsF) B) and D)
G) C) and E)

Question 4

What functional group makes a carbohydrate polar?

Accepted Answer

A)   -OH
B)   -NH2
C)   -SH
D)   -R
E)   -C-HF) A) and B)
G) A) and C)

Question 5

Which nitrogen containing base is found in RNA but not in DNA?

Accepted Answer

A)   guanine
B)   thymine
C)   cytosine
D)   adenine
E)   uracilF) B) and C)
G) A) and E)

Question 6

The figure represents the formation of a _______ molecule by the process of _____________.

Accepted Answer

A)   glycogen; hydrolysis
B)   DNA; dehydration synthesis
C)   protein; hydrolysis
D)   fat; dehydration synthesis
E)   polysaccharide; hydrolysisF) C) and E)
G) None of the above

Question 7

Wood and cotton cloth are composed of

Accepted Answer

A)   chitin.
B)   cellulose.
C)   glycogen.
D)   cholesterol.
E)   lipid.F) A) and E)
G) B) and C)

Question 8

Which of the following is an organic molecule?

Accepted Answer

A)   CO2
B)   H2CO3
C)   Na2CO3
D)   MnCO3
E)   CaCO3F) A) and B)
G) A) and C)

Question 9

In a dehydration reaction,________.In order for this to occur water is ________.

Accepted Answer

A)   monomers are joined to become a polymer; removed
B)   polymers are broken up to form monomers; added
C)   monomers are broken up to form polymers; added
D)   polymers are joined to form monomers; removed
E)   polymers are broken up to form monomers; removedF) None of the above
G) B) and E)

Question 10

The four main categories of organic macromolecules are

Accepted Answer

A)   monosaccharides, disaccharides, trisaccharides, and polysaccharides.
B)   proteins, DNA, waxes, and sugars.
C)   carbohydrates, lipids, proteins, and nucleic acids.
D)   RNA, DNA, steroids, and fats.
E)   lipids, starches, DNA, and protein.F) A) and B)
G) A) and E)

Question 11

When starch is digested,an -OH group and an -H group from a water molecule is used in hydrolysis to split the monosaccharide subunits.

Accepted Answer

A) True 
 B)False

Question 12

In sickle cell disease,malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin.

Accepted Answer

A) True 
 B)False

Exam 3: The Organic Molecules of Life

When starch is digested,an -OH group and an -H group from a water molecule is used in hydrolysis to split the monosaccharide subunits.

Correct Answer
verified

In sickle cell disease,malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin.

Correct Answer
verified

Which nitrogen containing base is found in RNA but not in DNA?

Correct Answer
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Which of the following is an organic molecule?

Correct Answer
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Which of the following is not an organic molecule?

Correct Answer
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A nucleotide is made of which of the following chemical components?

Correct Answer
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Wood and cotton cloth are composed of

Correct Answer
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In a dehydration reaction,.In order for this to occur water is .

Correct Answer
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What functional group makes a carbohydrate polar?

Correct Answer
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The four main categories of organic macromolecules are

Correct Answer
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How are lipids different than other categories or biological molecules?

Correct Answer
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The figure represents the formation of a _ molecule by the process of _______.

Correct Answer
verified

Exam 3: The Organic Molecules of Life

When starch is digested,an -OH group and an -H group from a water molecule is used in hydrolysis to split the monosaccharide subunits.

Correct AnswerverifiedShow Answer

In sickle cell disease,malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin.

Correct AnswerverifiedShow Answer

Which nitrogen containing base is found in RNA but not in DNA?

Correct AnswerverifiedShow Answer

Which of the following is an organic molecule?

Correct AnswerverifiedShow Answer

Which of the following is not an organic molecule?

Correct AnswerverifiedShow Answer

A nucleotide is made of which of the following chemical components?

Correct AnswerverifiedShow Answer

Wood and cotton cloth are composed of

Correct AnswerverifiedShow Answer

In a dehydration reaction,________.In order for this to occur water is ________.

Correct AnswerverifiedShow Answer

What functional group makes a carbohydrate polar?

Correct AnswerverifiedShow Answer

The four main categories of organic macromolecules are

Correct AnswerverifiedShow Answer

How are lipids different than other categories or biological molecules?

Correct AnswerverifiedShow Answer

The figure represents the formation of a _______ molecule by the process of _____________.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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In a dehydration reaction,.In order for this to occur water is .

Correct Answer
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Correct Answer
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The figure represents the formation of a _ molecule by the process of _______.

Correct Answer
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