Test Bank for Biochemistry: Concepts and Connections 2nd Edition by Dean Appling, Spencer Anthony-Cahill, Christopher Mathews|9780134641621| All Chapters 1-26| LATEST

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,Biochemistry: Concepts and Connections (Appling et al.)
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Chapter 1
oo Biochemistry and the Language of
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Chemistry
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1) The water content in the human body is approximately:
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A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: C o o




2) The four most abundant chemical elements in living systems are:
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A) hydrogen, oxygen, sulfur and phosphorus.
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B) hydrogen, carbon, nitrogen and oxygen.
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C) sodium, potassium, carbon and oxygen.
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D) sodium, potassium, nitrogen and sulfur.
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E) carbon, nitrogen, oxygen and
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potassium. Answer: B
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Objective: 1.2 o o




3) Nearly all proteins contain:
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A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above.
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Answer: D
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Objective: 1.2
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Global LO: G7
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4) Which of the following statements is FALSE?
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A) Proteins can be structural components of cells.
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B) Proteins can transmit signals between cells.
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C) Proteins can transport molecules within cells and between cells.
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D) Proteins can be both hormones and hormone receptors.
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E) Proteins are the only biological polymer that can catalyze biochemical
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reactions. Answer: E
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Objective:
1.2 Global
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LO: G7
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,5) Which of the following is NOT classed as a lipid?
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A) Cholesterol
B) Palmitic acid oo


C) Glycerol
D) Phosphatidyl serine oo


E) Triacylglycerol
Answer: C
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Objective: 1.2
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Global LO: G7
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6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide
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cannot be produced without the use of enzymes.
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Answer: FALSE oo


Objective: 1.2
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Global LO: G7
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7) Oxidation-reduction reactions, which are the basis of many biochemical reactions oo oo oo oo oo oo oo oo oo


and pathways, cannot take place in the absence of oxygen.
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Answer: FALSE oo


Objective: 1.2
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Global LO: G7
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8) Many biochemical reactions that form biopolymers from monomeric units involve
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the removal of water.
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Answer: TRUE oo


Objective: 1.2
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Global LO: G7
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9) The principle component of a biological membrane is a
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triglyceride. Answer: FALSE
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Objective:
1.2 Global
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LO: G7
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10) The chemical element
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the structure of nucleic acids.
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Answer:
oophosphorus
Objective: 1.2
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Global LO: G7
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11) List the four major classes of biological
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macromolecules. Answer: lipids, carbohydrates, proteins,
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nucleic acids Objective: 1.2
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Global LO: G7 oo o o




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, 12) An amphipathic molecule provides the foundation for biological membranes because
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they have both
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oo functional groups.
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Answer: hydrophobic, hydrophilic
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Objective: 1.2
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Global LO: G7
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13) Genomics is concerned with the entire
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identifying all of the proteins of a cell.
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Answer: genome, proteomics
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Objective: 1.5
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Global LO: G1
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4
Copyright © 2016 Pearson Education,
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Inc.