Concepts and Connections, 2nd
Edition by Dean Appling
COMPLETE CHAPTERS 1-26 WITH VERIFIED QUESTIONS &
CORRECT ANSWERS| A+ GRADED
Page | 1
, Chapter 1 Biochemistry and the Language of Chemistry
1) The water content in the human body is approximately :
A) 90%.
B) 80%.
C) 70%.
D) 60%.
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
3) Nearly all proteins contain :
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above. Accurate Answer: D Objective: 1.2 Global LO: G7
4) Which of the following statements is FALSE?
A) Proteins can be structural components of cells.
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,B) Proteins10can10transmit10signals10between10cells.
C) Proteins10can10transport10molecules10within10cells10and10between10cells.
D) Proteins10can10be10both10hormones10and10hormone10receptors.
E) Proteins10are10the10only10biological10polymer10that10can10catalyze10biochemical10reaction
s.10Accurate10Answer:10E
Objective:101.210Global10LO:10G7
5) Which10of10the10following10is10NOT10classed10as10a10lipid?
A) Cholesterol
B) Palmitic10acid
C) Glycerol
D) Phosphatidyl10serine
E) Triacylglycerol10Accurate10Answer:10C10Objective:101.210Global10LO:10G7
6) Amino10acids10and10simple10organic10compounds10like10carbon10dioxide10and10hydrogen10cyani
de10cannot10be10produced10without10the10use10of10enzymes.
Accurate10Answer:10FALSE10Objective:101.210Global10LO:10G7
7) Oxidation-
reduction10reactions,10which10are10the10basis10of10many10biochemical10reactions10and10pathways,1
0cannot10take10place10in10the10absence10of10oxygen.
Accurate10Answer:10FALSE10Objective:101.210Global10LO:10G7
8) Many10biochemical10reactions10that10form10biopolymers10from10monomeric10units10involve10the
10removal10of10water.
Accurate10Answer:10TRUE10Objective:101.210Global10LO:10G7
9) The10principle10component10of10a10biological10membrane10is10a10triglyceride.10Accurate10Ans
wer:10FALSE10Objective:101.210Global10LO:10G7
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, 10) The10chemical10element
has10a10role10in10both10transfer10of10energy10as10well10as10in10the10structure10of10nucleic10acids.
Accurate10Answer:10phosphorus10Objective:101.210Global10LO:10G7
11) List10the10four10major10classes10of10biological10macromolecules.10Accurate10Answer:10lipids,10ca
rbohydrates,10proteins,10nucleic10acids10Objective:101.2
Global10LO:10G7
12) An10amphipathic10molecule10provides10the10foundation10for10biological10membranes10because10the
y10have10both10and functional10groups.
Accurate10Answer:10hydrophobic,10hydrophilic10Objective:
101.210Global10LO:10G7
13) Genomics10is10concerned10with10the10entire
,10while1 0 is10focused10on10identifying10all10of10the10proteins10of10a10cell.
Accurate10Answer:10genome,10proteomics10Objective:101.5
10Global10LO:10G1
Chapter10210The10Chemical10Foundation10of10Life:10Weak10Interactions10in10an10Aqu
eous10Environment
1) Each10of10the10following10is10a10non-covalent10interaction10EXCEPT10:
A) a10hydrogen10bond.
B) a10carbon-hydrogen10bond.
C) the10interaction10between10an10amino10and10a10carboxylate10group.
D) a10van10der10Waals10interaction.
E) an10interaction10between10—
NH3+10and10a10water10molecule.10Accurate10Answer:10B10Objective:102.110Global
10LO:10G7
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