TEST BANK for Biochemistry: Concepts and Connections, 2nd Edition by Dean Appling

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Chapter 1 Biochemistry and the Language of Chemistry
TEST BANK for Biochemistry: 1) The water content in the human body is approximately :

Concepts and Connections, 2nd A) 90%.

B) 80%.
Edition by Dean Appling C) 70%.

COMPLETE CHAPTERS 1-26 WITH VERIFIED QUESTIONS & D) 60%.

CORRECT ANSWERS| A+ GRADED E) 50%.

Accurate Answer: C



2) The four most abundant chemical elements in living systems are :

A) hydrogen, oxygen, sulfur and phosphorus.

B) hydrogen, carbon, nitrogen and oxygen.

C) sodium, potassium, carbon and oxygen.

D) sodium, potassium, nitrogen and sulfur.

E) carbon, nitrogen, oxygen and potassium. Accurate Answer: B

Objective: 1.2
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3) Nearly all proteins contain :
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A) cobalt.

B) phosphorus.
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C) selenium.
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D) sulfur.
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E) none of the above. Accurate Answer: D Objective: 1.2 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. 10) The chemical element has a role in both transfer of energy as well as in the structure of nucleic
acids.
C) Proteins can transport molecules within cells and between cells.
Accurate Answer: phosphorus Objective: 1.2 Global LO: G7
D) Proteins can be both hormones and hormone receptors.

E) Proteins are the only biological polymer that can catalyze biochemical reactions. Accurate
Answer: E 11) List the four major classes of biological macromolecules. Accurate Answer: lipids, carbohydrates,
proteins, nucleic acids Objective: 1.2
Objective: 1.2 Global LO: G7
Global LO: G7


5) Which of the following is NOT classed as a lipid?
12) An amphipathic molecule provides the foundation for biological membranes because they have both
A) Cholesterol and functional groups.
B) Palmitic acid Accurate Answer: hydrophobic, hydrophilic Objective: 1.2
C) Glycerol Global LO: G7
D) Phosphatidyl serine

E) Triacylglycerol Accurate Answer: C Objective: 1.2 Global LO: G7 13) Genomics is concerned with the entire , while is focused on identifying all of the proteins of a
cell.

6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot be Accurate Answer: genome, proteomics Objective: 1.5
produced without the use of enzymes. Global LO: G1
Accurate Answer: FALSE Objective: 1.2 Global LO: G7
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7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and pathways,
Chapter 2 The Chemical Foundation of Life: Weak Interactions in an Aqueous
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cannot take place in the absence of oxygen.
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Accurate Answer: FALSE Objective: 1.2 Global LO: G7
1) Each of the following is a non-covalent interaction EXCEPT :
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A) a hydrogen bond.
8) Many biochemical reactions that form biopolymers from monomeric units involve the removal of
B) a carbon-hydrogen bond.
water.
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C) the interaction between an amino and a carboxylate group.
Accurate Answer: TRUE Objective: 1.2 Global LO: G7
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D) a van der Waals interaction.
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E) an interaction between —NH3+ and a water molecule. Accurate Answer: B
9) The principle component of a biological membrane is a triglyceride. Accurate Answer: FALSE
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Objective: 2.1 Global LO: G7
Objective: 1.2 Global LO: G7
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