Question 1

Which word should be categorized separately from the others?

Accepted Answer

A)   fats
B)   steroids
C)   glycogen
D)   phospholipids
E)   lipidsF) All of the above
G) A) and E)

Question 2

When starch is digested, water molecules are used to break the bonds holding the monosaccharide subunits together.

Accepted Answer

A) True 
 B)False

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) All of the above
G) C) and E)

Question 4

Which one of the following is a main function of proteins?

Accepted Answer

A)   energy storage
B)   enzymatic activity
C)   genetic coding
D)   energy source
E)   insulationF) A) and E)
G) A) and B)

Question 5

A starch molecule is to glucose as

Accepted Answer

A)   a protein is to a polypeptide.
B)   DNA is to an amino acid.
C)   a lipid is to nucleic acid.
D)   a protein is to an amino acid.
E)   fatty acid is to a fat.F) All of the above
G) B) and C)

Question 6

Which of the following is an organic molecule?

Accepted Answer

A)   CO 2
B)   H 2CO 3
C)   Na 2CO 3
D)   MnCO 3
E)   CaCO 3F) A) and B)
G) A) and C)

Question 7

Plants store their sugar in the form of

Accepted Answer

A)   protein.
B)   glycogen.
C)   cellulose.
D)   starch.
E)   glucose.F) A) and D)
G) A) and C)

Question 8

Which of the following is in correct order from smallest to largest?

Accepted Answer

A)   peptide - amino acid - polypeptide
B)   amino acid - polypeptide - peptide
C)   amino acid - peptide - polypeptide
D)   protein - glycerol - amino acid
E)   disaccharide - polysaccharide - monosaccharideF) C) and D)
G) A) and D)

Question 9

How are lipids different from other categories of 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 will not combine with water.
E)   They are not organic.F) B) and E)
G) A) and B)

Question 10

Which of the following elements are found in glucose?

Accepted Answer

A)   C, H
B)   C, H, O
C)   C, H, O, P
D)   C, H, O, N
E)   C, H, Cl, OF) All of the above
G) A) and E)

Question 11

The basic building block or subunit of many biological molecules is called a(n)

Accepted Answer

A)   quaternary structure.
B)   polymer.
C)   monomer.
D)   isomer.
E)   chain.F) C) and D)
G) D) and E)

Question 12

When you eat a salad, which one of the following components will pass through the body with the least amount of digestion?

Accepted Answer

A)   dressing
B)   croutons
C)   lettuce
D)   egg
E)   bacon bitsF) B) and D)
G) A) and B)

Question 13

Select the incorrect association.

Accepted Answer

A)   glucose - monosaccharide
B)   cellulose - building block for cell walls in plants
C)   sucrose - table sugar
D)   fructose - a polysaccharide
E)   starch - a long chain of glucose moleculesF) C) and E)
G) C) and D)

Question 14

The following figure represents which process?

Accepted Answer

A)   dehydration synthesis
B)   denaturation
C)   polyunsaturation
D)   hydrolysis
E)   combustionF) C) and D)
G) None of the above

Question 15

Glycogen is a ________ made of many ________.

Accepted Answer

A)   simple sugar; amino acids
B)   peptide; amino acids
C)   polymer; glucose molecules
D)   protein; fatty acids
E)   nucleic acid; nucleotidesF) A) and B)
G) A) and C)

Question 16

Which of the following is an organic molecule?

Accepted Answer

A)   CO­ 2
B)   C 6H1 2O 6
C)   NaCl
D)   CaCl 2
E)   H 2OF) None of the above
G) C) and D)

Question 17

Which one of the following is a potential danger of anabolic steroids?

Accepted Answer

A)   liver problems
B)   psychological disorders
C)   male breast development
D)   heart problems
E)   All of the above answers are problems associated with anabolic steroids.F) C) and D)
G) A) and C)

Question 18

Humans store glucose in the form of

Accepted Answer

A)   lactose.
B)   starch.
C)   glycogen.
D)   glucose.
E)   cellulose.F) A) and B)
G) B) and D)

Question 19

The figure below 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) None of the above
G) A) and C)

Question 20

Amino acids are needed to build ________,just as ________ are needed to create DNA.

Accepted Answer

A)   proteins; nucleotides
B)   fatty acids; amino acids
C)   polysaccharides; monosaccharides
D)   RNA; amino acids
E)   triglycerides; nucleotidesF) C) and D)
G) A) and D)

Exam 3: The Organic Molecules of Life

Amino acids are needed to build ________,just as ________ are needed to create DNA.

Correct AnswerverifiedShow Answer

Which word should be categorized separately from the others?

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

Correct AnswerverifiedShow Answer

A starch molecule is to glucose as

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The basic building block or subunit of many biological molecules is called a(n)

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The figure below represents the formation of a ________ molecule by the process of ________.

Correct AnswerverifiedShow Answer

How are lipids different from other categories of biological molecules?

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Which of the following is in correct order from smallest to largest?

Correct AnswerverifiedShow Answer

Which of the following is an organic molecule?

Correct AnswerverifiedShow Answer

When starch is digested, water molecules are used to break the bonds holding the monosaccharide subunits together.

Correct AnswerverifiedShow Answer

Which one of the following is a potential danger of anabolic steroids?

Correct AnswerverifiedShow Answer

Which of the following is an organic molecule?

Correct AnswerverifiedShow Answer

Which of the following elements are found in glucose?

Correct AnswerverifiedShow Answer

Plants store their sugar in the form of

Correct AnswerverifiedShow Answer

The following figure represents which process?

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Humans store glucose in the form of

Correct AnswerverifiedShow Answer

Select the incorrect association.

Correct AnswerverifiedShow Answer

Which one of the following is a main function of proteins?

Correct AnswerverifiedShow Answer

Glycogen is a ________ made of many ________.

Correct AnswerverifiedShow Answer

When you eat a salad, which one of the following components will pass through the body with the least amount of digestion?

Correct AnswerverifiedShow Answer

Amino acids are needed to build ,just as are needed to create DNA.

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

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Glycogen is a made of many .

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