Test Bank for Biochemistry concepts and connections 1st edition by Dean R. Appling Chapters 1-26

, Test Bank
Biochemistry concepts and connections
1st edition by Dean R. Appling Chapters 1-26




Biochemistry:xConceptsxandxConnectionsx(Applingxetxal.)xCh
apterx1x x BiochemistryxandxthexLanguagexofxChemistry

1) Thexwaterxcontentxinxthexhumanxbodyxisxapproximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer:x C

2) Thexfourxmostxabundantxchemicalxelementsxinxlivingxsystemsxare:
A) hydrogen,xoxygen,xsulfurxandxphosphorus.
B) hydrogen,xcarbon,xnitrogenxandxoxygen.
C) sodium,xpotassium,xcarbonxandxoxygen.
D) sodium,xpotassium,xnitrogenxandxsulfur.
E) carbon,xnitrogen,xoxygenxandxpotassium.x
Answer:x B
Objective:x 1.2

3) Nearlyxallxproteinsxcontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) nonexofxthexabove.x
Answer:x DxObjective
:x 1.2xGlobalxLO:x G7

4) WhichxofxthexfollowingxstatementsxisxFALSE?
A) Proteinsxcanxbexstructuralxcomponentsxofxcells.
B) Proteinsxcanxtransmitxsignalsxbetweenxcells.
C) Proteinsxcanxtransportxmoleculesxwithinxcellsxandxbetweenxcells.
D) Proteinsxcanxbexbothxhormonesxandxhormonexreceptors.
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,E) Proteinsxarexthexonlyxbiologicalxpolymerxthatxcanxcatalyzexbiochemicalxreactions.x
Answer:x E
Objective:x 1.2x
GlobalxLO:x G7




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, 5) WhichxofxthexfollowingxisxNOTxclassedxasxaxlipid?
A) Cholesterol
B) Palmiticxacid
C) Glycerol
D) Phosphatidylxserine
E) Triacylglycerolx
Answer:x CxObject
ive:x 1.2xGlobalxLO
:x G7

6) Aminoxacidsxandxsimplexorganicxcompoundsxlikexcarbonxdioxidexandxhydrogenxcyanidexcannotx
bexproducedxwithoutxthexusexofxenzymes.
Answer:x FALSExObje
ctive:x 1.2xGlobalxLO:
x G7




7) Oxidation-
reductionxreactions,xwhichxarexthexbasisxofxmanyxbiochemicalxreactionsxandxpathways,xc
annotxtakexplacexinxthexabsencexofxoxygen.
Answer:x FALSExObje
ctive:x 1.2xGlobalxLO:
x G7




8) Manyxbiochemicalxreactionsxthatxformxbiopolymersxfromxmonomericxunitsxinvolvexthexr
emovalxofxwater.
Answer:x TRUExObjec
tive:x 1.2xGlobalxLO:x
G7

9) Thexprinciplexcomponentxofxaxbiologicalxmembranexisxaxtriglyceride.xA
nswer:x FALSE
Objective:x 1.2x
GlobalxLO:x G7

10) Thexchemicalxelementx
hasxaxrolexinxbothxtransferxofxenergyxasxwellxasxinxthexstructurexofxnucleicxacids.
Answer:x phosphorus
xObjective:x 1.2xGlob

alxLO:x G7

11) Listxthexfourxmajorxclassesxofxbiologicalxmacromolecules.x
Answer:x lipids,xcarbohydrates,xproteins,xnucleicxacidsxObject
ive:x 1.2
GlobalxLO:x G7

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