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

,Biochemistry: Concepts and Connections (Appling et s s s s s s s s s s



al.) Chapter 1 Biochemistry and the
s s s s s s s s s s s s



Language of Chemistry
s s s s s s




1) The water s s s s s s s s content s s s s in s s s s the s s s s human s s s s body s s is s s s s approximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: C

2) The four most abundant chemical elements
s s s s s s s s s s s s s s s s s s in s s s s living s s systems s s s s are:
A) hydrogen, oxygen, sulfur and phosphorus. s s s s s s s s s s s s s s



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



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



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



E) carbon, nitrogen, s s



oxygen and
s s ss



potassium.Answer: B
ss s s



Objective: 1.2

3) Nearly all proteins s s s s s s s s s s contain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the s s s s



above.Answer: D
ss



Objective: 1.2
ss



Global LO:
ss s s



s G7 s




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



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



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



C) Proteins can transport molecules within cells and between
s s s s s s s s s s s s s s s s s s s s s s s s cells.
D) Proteins can be both hormones and hormone receptors.
s s s s s s s s s s s s s s s s s s s s s s



E) Proteins are the only biological polymer that can
s s s s s s s s s s s s s s



catalyze biochemical reactions.Answer: E
s s s s ss s s



Objective: 1.2 ss



Global LO:
ss s s



G7
ss




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Pearson

,5) Which of the following s s s s s s s s s s s s is s s s s NOT s s classed s s s s as s s s s a s s s s lipid?
A) Cholesterol
B) Palmitic acid s s



C) Glycerol
D) Phosphatidyl serine s s



E) Triacylglycerol
Answer: C
ss s s



Objective: 1.2
ss s s



Global LO:
ss s s



G7

6) Amino acids and simple organic compounds like carbon dioxide
s s s s s s s s s s s s s s s s



and hydrogen cyanide cannotbe produced without the use of
s s s s ss ss s s s s s s s s s s



enzymes.
s s



Answer: FALSE s s



Objective: 1.2
ss s s



Global LO: G7
ss s s s s




7) Oxidation-reduction reactions, which are the s s s s s s s s s s basis of s s



s many biochemical reactions andpathways, cannot
s ss ss s s s s s s take place in s s s s



s the absence of oxygen. Answer: FALSE
s s s s s ss ss s s



Objective: 1.2 s s



Global LO: G7
ss s s s s




8) Many biochemical reactions that form biopolymers from
s s s s s s s s s s s s



monomeric units involve theremoval of water.
s s s s ss s s s s s s



Answer: TRUE s s



Objective: 1.2
ss s s



Global LO: G7
ss s s s s




9) The principle component of a
s s s s s s s s s s biological
membrane is a triglyceride.Answer:
s s s s ss ss s s s FALSE
Objective: 1.2 ss



Global LO:
ss s s



G7

10) The chemical element has a role in both
s s s s s s s s s s s s s s transfer s s of
energy as well as in thestructure of nucleic acids.
s s s s s s ss ss s s s s s s s s



Answer: phosphorus ss



Objective: 1.2
ss



Global LO: G7
ss s s s s




11) List the four major classes of
s s s s s s s s s s



biological macromolecules.Answer: lipids,
s s s s s s



carbohydrates, proteins, nucleic acids
s s ss ss s s



Objective: 1.2
s s s s



Global LO: G7 s s s s s s s s




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Pearson

, 12) An amphipathic molecule provides the foundation for
s s s s s s s s s s s s



biological membranes because theyhave both
s s s s and ss s s s s



functional groups. s s



Answer: hydrophobic,
hydrophilicObjective:
ss



1.2 Global LO: G7
ss s s




13) Genomics is concerned with the entire , while
s s s s s s s s s s s s is
focused on identifyingall of the proteins of a cell.
s s ss ss s s s s s s s s s s s s



Answer: genome,
proteomicsObjective:
ss



1.5 Global LO: G1
s s ss s s s s




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s s s s s s s s s s


Pearson