INTRO TO BIOCHEM MURPHY - EXAM 1
Questions and Answers
1. Which of the following is the only macromolecule of the 4 we
covered that doesn't form a continuous polymer of undefined
length?
A. Nucleic Acids
B. Proteins
C. Lipids
D. Polysaccharides
E. None of the above
Answer C. Lipids
2. The reaction that catalyzes the polymerization of carbohydrates
and proteins are both what kind of reaction?
A. Redox reactions
B. Condensation reactions
C. Hydration reactions
D. Peptide bonds
E. Lyase reactions
Answer B. Condensation reactions
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,3. The picture above represents which of the 4 major biomolecules?
A. Proteins
B. Nucleic Acids
C. Lipids
D. Carbohydrates
E. None of the above
Answer A. Proteins
4. Which of the following is the basic structural unit of living
organisms?
A. Nucleus
B. Cell membrane
C. Tissue
D. Cell
E. Cytoskeleton
Answer D. Cell
5. Which of the following is NOT an organelle?
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Plasma Membrane
E. Golgi complex
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, Answer D. Plasma membrane
6. Prokaryotes and Eukaryotes differ in all of the following EXCEPT for
having
?
A. flagella
B. all aerobic metabolism
C. the amount of discrete organelles
D. an endomembrane system
E. true nucleus
Answer A. flagella
7. Which of the following is true about van der Waals interactions?
A. van der Waals interactions are predominantly found in polar
molecules
B. they are the strongest of the noncovalent interactions
C. a strong interaction between hydrogen and oxygen or nitrogen
comparable to ionic bonds
D. there is a critical distance between two atoms where their
attractions are maximized
E. they are a bond between two hydrogens
Answer D. there is a critical distance between two atoms where their attractions are
maximized
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Questions and Answers
1. Which of the following is the only macromolecule of the 4 we
covered that doesn't form a continuous polymer of undefined
length?
A. Nucleic Acids
B. Proteins
C. Lipids
D. Polysaccharides
E. None of the above
Answer C. Lipids
2. The reaction that catalyzes the polymerization of carbohydrates
and proteins are both what kind of reaction?
A. Redox reactions
B. Condensation reactions
C. Hydration reactions
D. Peptide bonds
E. Lyase reactions
Answer B. Condensation reactions
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16
,3. The picture above represents which of the 4 major biomolecules?
A. Proteins
B. Nucleic Acids
C. Lipids
D. Carbohydrates
E. None of the above
Answer A. Proteins
4. Which of the following is the basic structural unit of living
organisms?
A. Nucleus
B. Cell membrane
C. Tissue
D. Cell
E. Cytoskeleton
Answer D. Cell
5. Which of the following is NOT an organelle?
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Plasma Membrane
E. Golgi complex
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16
, Answer D. Plasma membrane
6. Prokaryotes and Eukaryotes differ in all of the following EXCEPT for
having
?
A. flagella
B. all aerobic metabolism
C. the amount of discrete organelles
D. an endomembrane system
E. true nucleus
Answer A. flagella
7. Which of the following is true about van der Waals interactions?
A. van der Waals interactions are predominantly found in polar
molecules
B. they are the strongest of the noncovalent interactions
C. a strong interaction between hydrogen and oxygen or nitrogen
comparable to ionic bonds
D. there is a critical distance between two atoms where their
attractions are maximized
E. they are a bond between two hydrogens
Answer D. there is a critical distance between two atoms where their attractions are
maximized
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