,Biochemistry: bConcepts band bConnections b(Appling bet bal.)
bChapter b1 b Biochemistry band bthe bLanguage bof bChemistry
1) The bwater bcontent bin bthe bhuman bbody bis bapproximately:
A) b90%.
B) b80%.
C) b70%.
D) b60%.
E) b50%.
Answer: b C
2) The bfour bmost babundant bchemical belements bin bliving bsystems bare:
A) hydrogen, boxygen, bsulfur band bphosphorus.
B) hydrogen, bcarbon, bnitrogen band boxygen.
C) sodium, bpotassium, bcarbon band boxygen.
D) sodium, bpotassium, bnitrogen band bsulfur.
E) carbon, bnitrogen, boxygen band
bpotassium.bAnswer: bB
Objective: b 1.2
3) Nearly ball bproteins bcontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none bof bthe
babove.bAnswer: b D
bObjective: b 1.2
bGlobal bLO: b G7
4) Which bof bthe bfollowing bstatements bis bFALSE?
A) Proteins bcan bbe bstructural bcomponents bof bcells.
B) Proteins bcan btransmit bsignals bbetween bcells.
C) Proteins bcan btransport bmolecules bwithin bcells band bbetween bcells.
D) Proteins bcan bbe bboth bhormones band bhormone breceptors.
E) Proteins bare bthe bonly bbiological bpolymer bthat bcan bcatalyze bbiochemical
breactions.bAnswer: bE
Objective: b1.2
bGlobal bLO:
b G7
1
Copyright b© b2016 bPearson bEducation,
bInc.
,5) Which bof bthe bfollowing bis bNOT bclassed bas ba blipid?
A) Cholesterol
B) Palmitic bacid
C) Glycerol
D) Phosphatidyl bserine
E) Triacylglycerol
bAnswer: bC
bObjective: b1.2
bGlobal bLO:
b G7
6) Amino bacids band bsimple borganic bcompounds blike bcarbon bdioxide band bhydrogen bcyanide
bcannotbbe bproduced bwithout bthe buse bof benzymes.
Answer: bFALSE
bObjective: b1.2
bGlobal bLO: b G7
7) Oxidation-reduction breactions, bwhich bare bthe bbasis bof bmany bbiochemical
breactions bandbpathways, bcannot btake bplace bin bthe babsence bof boxygen.
Answer: bFALSE
bObjective: b1.2
bGlobal bLO: b G7
8) Many bbiochemical breactions bthat bform bbiopolymers bfrom bmonomeric bunits
binvolve bthebremoval bof bwater.
Answer: bTRUE
bObjective: b1.2
bGlobal bLO: b G7
9) The bprinciple bcomponent bof ba bbiological bmembrane bis ba
btriglyceride.bAnswer: bFALSE
Objective: b1.2
bGlobal bLO:
b G7
10) The bchemical belement has ba brole bin bboth btransfer bof benergy bas bwell bas
bin bthebstructure bof bnucleic bacids.
Answer: bphosphorus
bObjective: b 1.2
bGlobal bLO: b G7
11) List bthe bfour bmajor bclasses bof bbiological
bmacromolecules.bAnswer: blipids, bcarbohydrates, bproteins,
bnucleic bacids bObjective: b1.2
Global bLO: b G7
2
Copyright b© b2016 bPearson bEducation,
bInc.
, 12) An bamphipathic bmolecule bprovides bthe bfoundation bfor bbiological bmembranes
bbecause btheybhave bboth and functional bgroups.
Answer: b hydrophobic,
bhydrophilicbObjective: b1.2
Global bLO: b G7
13) Genomics bis bconcerned bwith bthe bentire , bwhile is bfocused bon
bidentifyingball bof bthe bproteins bof ba bcell.
Answer: b genome,
bproteomicsbObjective: b1.5
Global bLO: b G1
3
Copyright b© b2016 bPearson bEducation,
bInc.