Question 1

Large organic molecules are usually assembled by polymerization of a few kinds of simple subunits. Which of the following is an exception to this statement?

Accepted Answer

A)   a steroid
B)   cellulose
C)   DNA
D)   an enzyme
E)   a contractile proteinF) None of the above
G) C) and E)

Question 2

What is the structural feature that allows DNA to replicate?

Accepted Answer

A)   sugar-phosphate backbone
B)   complementary pairing of the nitrogenous bases
C)   disulfide bonding (bridging)  of the two helixes
D)   twisting of the molecule to form an α helix
E)   three-component structure of the nucleotidesF) All of the above
G) C) and D)

Question 3

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all.
  
Figure 5.8
-Which molecule has both hydrophilic and hydrophobic properties and would be found in plasma membranes?

Accepted Answer

A)   1
B)   5
C)   6
D)   12
E)   14F) B) and D)
G) C) and D)

Question 4

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all.
  
Figure 5.8
-Which of the following molecules is an amino acid with a hydrophobic R group or side chain?

Accepted Answer

A)   3
B)   7
C)   8
D)   12
E)   13F) B) and D)
G) C) and E)

Question 5

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all.
  
Figure 5.8
-Which of the following molecules could be joined together by a phosphodiester type of covalent bond?

Accepted Answer

A)   3 and 4
B)   3 and 8
C)   6 and 15
D)   11 and 12
E)   11 and 13F) A) and B)
G) A) and D)

Question 6

Which of the following descriptions best fits the class of molecules known as nucleotides?

Accepted Answer

A)   a nitrogenous base and a phosphate group
B)   a nitrogenous base and a pentose sugar
C)   a nitrogenous base, a phosphate group, and a pentose sugar
D)   a phosphate group and an adenine or uracil
E)   a pentose sugar and a purine or pyrimidineF) A) and C)
G) A) and E)

Question 7

Figure 5.3
-Which of the following statements is true regarding the molecule illustrated in Figure 5.3?

Accepted Answer

A)   It is a saturated fatty acid.
B)   A diet rich in this molecule may contribute to atherosclerosis.
C)   Molecules of this type are usually liquid at room temperature.
D)   It is a saturated fatty acid and a diet rich in this molecule may contribute to atherosclerosis.
E)   It is a saturated fatty acid, a diet rich in this molecule may contribute to atherosclerosis, and molecules of this type are usually liquid at room temperature.F) A) and D)
G) C) and D)

Question 8

Misfolding of polypeptides is a serious problem in cells. Which of the following diseases are associated with an accumulation of misfolded polypeptides?

Accepted Answer

A)   Alzheimer's only
B)   Parkinson's only
C)   diabetes mellitus only
D)   Alzheimer's and Parkinson's only
E)   Alzheimer's, Parkinson's, and diabetes mellitusF) A) and E)
G) A) and B)

Question 9

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all.
  
Figure 5.8
-Which of the following molecules has a functional group that frequently forms covalent bonds that maintain the tertiary structure of a protein?

Accepted Answer

A)   2
B)   3
C)   7
D)   8
E)   9F) D) and E)
G) A) and B)

Exam 5: The Structure and Function of Large Biological Molecules

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which molecule has both hydrophilic and hydrophobic properties and would be found in plasma membranes?

Correct Answer
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The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which of the following molecules could be joined together by a phosphodiester type of covalent bond?

Correct Answer
verified

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which of the following molecules has a functional group that frequently forms covalent bonds that maintain the tertiary structure of a protein?

Correct Answer
verified

Misfolding of polypeptides is a serious problem in cells. Which of the following diseases are associated with an accumulation of misfolded polypeptides?

Correct Answer
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Large organic molecules are usually assembled by polymerization of a few kinds of simple subunits. Which of the following is an exception to this statement?

Correct Answer
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Figure 5.3 -Which of the following statements is true regarding the molecule illustrated in Figure 5.3?

Correct Answer
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Which of the following descriptions best fits the class of molecules known as nucleotides?

Correct Answer
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The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which of the following molecules is an amino acid with a hydrophobic R group or side chain?

Correct Answer
verified

What is the structural feature that allows DNA to replicate?

Correct Answer
verified

Exam 5: The Structure and Function of Large Biological Molecules

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which molecule has both hydrophilic and hydrophobic properties and would be found in plasma membranes?

Correct AnswerverifiedShow Answer

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which of the following molecules could be joined together by a phosphodiester type of covalent bond?

Correct AnswerverifiedShow Answer

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which of the following molecules has a functional group that frequently forms covalent bonds that maintain the tertiary structure of a protein?

Correct AnswerverifiedShow Answer

Misfolding of polypeptides is a serious problem in cells. Which of the following diseases are associated with an accumulation of misfolded polypeptides?

Correct AnswerverifiedShow Answer

Large organic molecules are usually assembled by polymerization of a few kinds of simple subunits. Which of the following is an exception to this statement?

Correct AnswerverifiedShow Answer

Figure 5.3 -Which of the following statements is true regarding the molecule illustrated in Figure 5.3?

Correct AnswerverifiedShow Answer

Which of the following descriptions best fits the class of molecules known as nucleotides?

Correct AnswerverifiedShow Answer

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. Figure 5.8 -Which of the following molecules is an amino acid with a hydrophobic R group or side chain?

Correct AnswerverifiedShow Answer

What is the structural feature that allows DNA to replicate?

Correct AnswerverifiedShow Answer

Correct Answer
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