TESTBANKforBiochemistry:
v v v
ConceptsandConnections,2nd Edition
v v v v
by Dean Appling v v v
COMPLETE CHAPTERS 1-26 WITHVERIFIED QUESTIONS &
v v v v v v
CORRECT ANSWERS| A+ GRADED
v v v v
Page|1
, Chapter1 Biochemistryandthe Languageof Chemistry
1) Thewatercontent in thehumanbodyis approximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Accurate Answer: C
2) Thefourmost abundantchemicalelementsinlivingsystemsare:
A) hydrogen, oxygen, sulfurand phosphorus.
v
B) hydrogen, carbon, nitrogenandoxygen.
C) sodium, potassium, carbonandoxygen.
D) sodium, potassium, nitrogen and sulfur.
v v
E) carbon,nitrogen,oxygen andpotassium. AccurateAnswer:B
v
Objective: 1.2
3) Nearlyall proteins contain :
v
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) noneoftheabove. Accurate Answer: DObjective: 1.2Global LO: G7
4) Which of thefollowingstatementsis FALSE?
A) Proteinscanbestructuralcomponentsofcells.
Page|2
,B) Proteinscan transmit signalsbetween cells.
v v
C) Proteinscantransport moleculeswithin cellsand between cells.
v v v
D) Proteinscanbebothhormones andhormone receptors.
v
E) Proteinsaretheonlybiologicalpolymerthatcancatalyzebiochemicalreactions. Accurate
Answer: E
Objective: 1.2Global LO:G7
5) Whichofthefollowingis NOT classedasalipid?
A) Cholesterol
B) Palmitic acid
v
C) Glycerol
D) Phosphatidylserine
E) Triacylglycerol Accurate Answer: CObjective: 1.2Global LO: G7
6) Aminoacidsandsimpleorganiccompoundslikecarbondioxideandhydrogencyanide cannot be v
produced without the use of enzymes.
Accurate Answer: FALSEObjective: 1.2 Global LO:G7
7) Oxidation-reductionreactions, whicharethebasis of manybiochemical reactions and pathways,
v
cannot take place in the absence of oxygen.
Accurate Answer: FALSEObjective: 1.2 Global LO:G7
8) Manybiochemical reactions thatform biopolymersfrommonomericunitsinvolve theremoval of
v
water.
Accurate Answer: TRUEObjective: 1.2 Global LO: G7
9) Theprinciplecomponentofabiologicalmembraneisatriglyceride. Accurate Answer: FALSE
Objective: 1.2 Global LO: G7
Page|3
, 10) The chemical element hasarolein both transfer of energyaswell as inthe structureofnucleic
v v
acids.
AccurateAnswer: phosphorus Objective: 1.2 Global LO: G7
11) Listthefourmajorclasses of biologicalmacromolecules. Accurate Answer: lipids,carbohydrates,
proteins, nucleic acids Objective: 1.2
Global LO: G7
12) An amphipathicmoleculeprovidesthefoundationfor biological membranesbecausetheyhaveboth and
functional groups.
AccurateAnswer:hydrophobic,hydrophilicObjective:1.2
Global LO: G7
13) Genomics is concerned withthe entire , while is focused onidentifyingall oftheproteinsofa
v
cell.
AccurateAnswer:genome,proteomics Objective:1.5 Global
v
LO: G1
Chapter2 The Chemical FoundationofLife:Weak Interactionsin an Aqueous
Environment
1) Each ofthefollowing is anon-covalent interaction EXCEPT:
v v
A) ahydrogen bond.
B) acarbon-hydrogenbond.
C) theinteractionbetweenanaminoandacarboxylategroup.
D) avander Waalsinteraction.
E) an interaction between—NH3+andawatermolecule. Accurate Answer: B
v
Objective: 2.1 Global LO: G7
Page|4
v v v
ConceptsandConnections,2nd Edition
v v v v
by Dean Appling v v v
COMPLETE CHAPTERS 1-26 WITHVERIFIED QUESTIONS &
v v v v v v
CORRECT ANSWERS| A+ GRADED
v v v v
Page|1
, Chapter1 Biochemistryandthe Languageof Chemistry
1) Thewatercontent in thehumanbodyis approximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Accurate Answer: C
2) Thefourmost abundantchemicalelementsinlivingsystemsare:
A) hydrogen, oxygen, sulfurand phosphorus.
v
B) hydrogen, carbon, nitrogenandoxygen.
C) sodium, potassium, carbonandoxygen.
D) sodium, potassium, nitrogen and sulfur.
v v
E) carbon,nitrogen,oxygen andpotassium. AccurateAnswer:B
v
Objective: 1.2
3) Nearlyall proteins contain :
v
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) noneoftheabove. Accurate Answer: DObjective: 1.2Global LO: G7
4) Which of thefollowingstatementsis FALSE?
A) Proteinscanbestructuralcomponentsofcells.
Page|2
,B) Proteinscan transmit signalsbetween cells.
v v
C) Proteinscantransport moleculeswithin cellsand between cells.
v v v
D) Proteinscanbebothhormones andhormone receptors.
v
E) Proteinsaretheonlybiologicalpolymerthatcancatalyzebiochemicalreactions. Accurate
Answer: E
Objective: 1.2Global LO:G7
5) Whichofthefollowingis NOT classedasalipid?
A) Cholesterol
B) Palmitic acid
v
C) Glycerol
D) Phosphatidylserine
E) Triacylglycerol Accurate Answer: CObjective: 1.2Global LO: G7
6) Aminoacidsandsimpleorganiccompoundslikecarbondioxideandhydrogencyanide cannot be v
produced without the use of enzymes.
Accurate Answer: FALSEObjective: 1.2 Global LO:G7
7) Oxidation-reductionreactions, whicharethebasis of manybiochemical reactions and pathways,
v
cannot take place in the absence of oxygen.
Accurate Answer: FALSEObjective: 1.2 Global LO:G7
8) Manybiochemical reactions thatform biopolymersfrommonomericunitsinvolve theremoval of
v
water.
Accurate Answer: TRUEObjective: 1.2 Global LO: G7
9) Theprinciplecomponentofabiologicalmembraneisatriglyceride. Accurate Answer: FALSE
Objective: 1.2 Global LO: G7
Page|3
, 10) The chemical element hasarolein both transfer of energyaswell as inthe structureofnucleic
v v
acids.
AccurateAnswer: phosphorus Objective: 1.2 Global LO: G7
11) Listthefourmajorclasses of biologicalmacromolecules. Accurate Answer: lipids,carbohydrates,
proteins, nucleic acids Objective: 1.2
Global LO: G7
12) An amphipathicmoleculeprovidesthefoundationfor biological membranesbecausetheyhaveboth and
functional groups.
AccurateAnswer:hydrophobic,hydrophilicObjective:1.2
Global LO: G7
13) Genomics is concerned withthe entire , while is focused onidentifyingall oftheproteinsofa
v
cell.
AccurateAnswer:genome,proteomics Objective:1.5 Global
v
LO: G1
Chapter2 The Chemical FoundationofLife:Weak Interactionsin an Aqueous
Environment
1) Each ofthefollowing is anon-covalent interaction EXCEPT:
v v
A) ahydrogen bond.
B) acarbon-hydrogenbond.
C) theinteractionbetweenanaminoandacarboxylategroup.
D) avander Waalsinteraction.
E) an interaction between—NH3+andawatermolecule. Accurate Answer: B
v
Objective: 2.1 Global LO: G7
Page|4
