Test Bank for Biochemistry: Concepts and Connections 2nd Edition by Dean Appling, Spencer Anthony-Cahill and Christopher Mathews isbn-9780134641621 Complete Verified Guide Graded A+

,Biochemistry: Concepts and Connections (Appling et al.)
v v v v v v


Chapter 1 Biochemistry and the Language of Chemistry
v v v v v v v v v




1) The water content in the human body is approximately:
v v v v v v v v


A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: C v




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


A) hydrogen, oxygen, sulfur and phosphorus.v v v v


B) hydrogen, carbon, nitrogen and oxygen. v v v v


C) sodium, potassium, carbon and oxygen.
v v v v


D) sodium, potassium, nitrogen and sulfur.
v v v v


E) carbon, nitrogen, oxygen and potassium.
v v v v


Answer: B
v v


Objective: 1.2 v




3) Nearly all proteins contain:
v v v


A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above.
v v v


Answer: D
v v


Objective: 1.2
v v


Global LO: G7
v v v




4) Which of the following statements is FALSE?
v v v v v v


A) Proteins can be structural components of cells.
v v v v v v


B) Proteins can transmit signals between cells.
v v v v v


C) Proteins can transport molecules within cells and between cells.
v v v v v v v v


D) Proteins can be both hormones and hormone receptors.
v v v v v v v


E) Proteins are the only biological polymer that can catalyze biochemical reactions.
v v v v v v v v v v


Answer: E
v v


Objective: 1.2 v


Global LO:
v v


vG7




1
Copyright © 2016 Pearson Education, Inc.
v v v v v

,5) Which of the following is NOT classed as a lipid?
v v v v v v v v v


A) Cholesterol
B) Palmitic acid v


C) Glycerol
D) Phosphatidyl serine v


E) Triacylglycerol
Answer: C
v v


Objective: 1.2
v v


Global LO: G7
v v v




6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot
v v v v v v v v v v v v


be produced without the use of enzymes.
v v v v v v v


Answer: FALSE v


Objective: 1.2
v v


Global LO: G7
v v v




7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and
v v v v v v v v v v


pathways, cannot take place in the absence of oxygen.
v v v v v v v v v


Answer: FALSE v


Objective: 1.2
v v


Global LO: G7
v v v




8) Many biochemical reactions that form biopolymers from monomeric units involve the
v v v v v v v v v v


removal of water.
v v v


Answer: TRUE v


Objective: 1.2
v v


Global LO: G7
v v v




9) The principle component of a biological membrane is a triglyceride.
v v v v v v v v v


Answer: FALSE
v v


Objective: 1.2 v


Global LO:
v v


vG7

10) The chemical element
v v v has a role in both transfer of energy as well as in the
v v v v v v v v v v v v


structure of nucleic acids.
v v v v


Answer: phosphorus v


Objective: 1.2
v v


Global LO: G7
v v v




11) List the four major classes of biological macromolecules.
v v v v v v v


Answer: lipids, carbohydrates, proteins, nucleic acids
v v v v v v


Objective: 1.2
v v


Global LO: G7
v v




2
Copyright © 2016 Pearson Education, Inc.
v v v v v

, 12) An amphipathic molecule provides the foundation for biological membranes because they
v v v v v v v v v v


have both
v v and v functional groups. v v


Answer: hydrophobic, hydrophilic
v v


Objective: 1.2
v v


Global LO: G7 v v




13) Genomics is concerned with the entire
v v v v v v , while
v v is focused on identifying
v v v


all of the proteins of a cell.
v v v v v v v


Answer: genome, proteomics
v v


Objective: 1.5
v v


Global LO: G1 v v




3
Copyright © 2016 Pearson Education, Inc.
v v v v v