TEST BANK
JH
,Chapter JH1. JHThe JHFoundations JHof JHBiochemistry
JH (Answers JHare JHat JHthe JHEnd JHof JHEach JHChapter)
1. In JHa JHbacterial JHcell, JHthe JHDNA J H is JHin JHthe:
A) cell JHenvelope.
B) cell JHmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A JHmajor JHchange JHoccurring JHin JHthe JHevolution JHof JHeukaryotes JHfrom JHprokaryotes
JHwas JHthe JHdevelopment JHof:
A) DNA.
B) photosynthetic JHcapability.
C) plasma JHmembranes.
D) ribosomes.
E) the JHnucleus.
3. In JHeukaryotes, JHthe JHnucleus JHis JHenclosed JHby JHa JHdouble JHmembrane JHcalled JHthe:
A) cell JHmembrane.
B) nuclear JHenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The JHdimensions JHof JHliving JHcells JHare JHlimited, JHon JHthe JHlower JHend JHby JHthe JHminimum
JHnumber JHof JHbiomolecules JHnecessary JHfor JHfunction, JHand JHon JHthe JHupper JHend JHby JHthe
JHrate JHof JHdiffusion JHof JHsolutes JHsuch JHas JHoxygen. JHExcept JHfor JHhighly JHelongated JHcells,
JHthey JHusually JHhave JHlengths JHand JHdiameters JHin JHthe JHrange JHof:
A) 0.1 JHm JHto JH10 JHm.
B) 0.3 JHm JHto JH30 JHm.
C) 0.3 JHm JHto JH100 JHm.
D) 1 JHm JHto JH100 JHm.
E) 1 JHm JHto JH300 JHm.
5. Which JHgroup JHof JHsingle-celled JHmicroorganisms JHhas JHmany JHmembers JHfound
JHgrowing JHin JHextreme JHenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None JHof JHthe JHanswers JHis JHcorrect.
Page
JH1
, 6. The JHbacterium JHE. JHcoli JHrequires JHsimple JHorganic JHmolecules JHfor JHgrowth JHand
JHenergy—it JHis JHtherefore JHa:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which JHis JHa JHlist JHof JHorganelles?
A) mitochondria, JHchromatin, JHendoplasmic JHreticulum
B) peroxisomes, JHlysosomes, JHplasma JHmembrane
C) proteasomes, JHperoxisomes, JHlysosomes
D) mitochondria, JHendoplasmic JHreticulum, JHperoxisomes
E) All JHof JHthe JHanswers JHare JHcorrect.
8. Which JHlist JHhas JHthe JHcellular JHcomponents JHarranged JHin JHorder JHof JHINCREASING JHsize?
A) amino JHacid JH< JHprotein JH< JHmitochondrion JH< JHribosome
B) amino JHacid JH< JHprotein JH< JHribosome JH< JHmitochondrion
C) amino JHacid JH< JHribosome JH< JHprotein JH< JHmitochondrion
D) protein JH< JHamino JHacid JH< JHmitochondrion JH< JHribosome
E) protein JH< JHribosome JH< JHmitochondrion JH< JHamino JHacid
9. The JHthree-dimensional JHstructure JHof JHmacromolecules JHis JHformed JHand JHmaintained
JHprimarily JHthrough JHnoncovalent JHinteractions. JHWhich JHone JHof JHthe JHfollowing JHis
JHNOT JHconsidered JHa JHnoncovalent JHinteraction?
A) carbon-carbon JHbonds
B) hydrogen JHbonds
C) hydrophobic JHinteractions
D) ionic JHinteractions
E) van JHder JHWaals JHinteractions
10. Which JHelement JHis JHNOT JHamong JHthe JHfour JHmost JHabundant JHin JHliving JHorganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page
JH2
, 11. The JHfour JHcovalent JHbonds JHin JHmethane JH(CH4) JHare JHarranged JHaround JHcarbon JHto
JHgive JHwhich JHgeometry?
A) linear
B) tetrahedral
C) trigonal JHbipyramidal
D) trigonal JHplanar
E) trigonal JHpyramidal
12. What JHfunctional JHgroups JHare JHpresent JHon JHthis JHmolecule?
A) ether JHand JHaldehyde
B) hydroxyl JHand JHaldehyde
C) hydroxyl JHand JHcarboxylic JHacid
D) hydroxyl JHand JHester
E) hydroxyl JHand JHketone
13. The JHmacromolecules JHthat JHserve JHin JHthe JHstorage JHand JHtransmission JHofJHgenetic
JHinformation JHare:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic JHacids.
E) proteins.
14. Stereoisomers JHthat JHare JHnonsuperimposable JHmirror JHimages JHof JHeach JHother JHare JHknown JHas:
A) anomers.
B) cis-trans JHisomers.
C) diastereoisomers.
D) enantiomers.
E) geometric JHisomers.
15. The JHcatalog JHof JHall JHproteins JHfunctioning JHin JHa JHcell JHis JHthe:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
Page
JH3
JH
,Chapter JH1. JHThe JHFoundations JHof JHBiochemistry
JH (Answers JHare JHat JHthe JHEnd JHof JHEach JHChapter)
1. In JHa JHbacterial JHcell, JHthe JHDNA J H is JHin JHthe:
A) cell JHenvelope.
B) cell JHmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A JHmajor JHchange JHoccurring JHin JHthe JHevolution JHof JHeukaryotes JHfrom JHprokaryotes
JHwas JHthe JHdevelopment JHof:
A) DNA.
B) photosynthetic JHcapability.
C) plasma JHmembranes.
D) ribosomes.
E) the JHnucleus.
3. In JHeukaryotes, JHthe JHnucleus JHis JHenclosed JHby JHa JHdouble JHmembrane JHcalled JHthe:
A) cell JHmembrane.
B) nuclear JHenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The JHdimensions JHof JHliving JHcells JHare JHlimited, JHon JHthe JHlower JHend JHby JHthe JHminimum
JHnumber JHof JHbiomolecules JHnecessary JHfor JHfunction, JHand JHon JHthe JHupper JHend JHby JHthe
JHrate JHof JHdiffusion JHof JHsolutes JHsuch JHas JHoxygen. JHExcept JHfor JHhighly JHelongated JHcells,
JHthey JHusually JHhave JHlengths JHand JHdiameters JHin JHthe JHrange JHof:
A) 0.1 JHm JHto JH10 JHm.
B) 0.3 JHm JHto JH30 JHm.
C) 0.3 JHm JHto JH100 JHm.
D) 1 JHm JHto JH100 JHm.
E) 1 JHm JHto JH300 JHm.
5. Which JHgroup JHof JHsingle-celled JHmicroorganisms JHhas JHmany JHmembers JHfound
JHgrowing JHin JHextreme JHenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None JHof JHthe JHanswers JHis JHcorrect.
Page
JH1
, 6. The JHbacterium JHE. JHcoli JHrequires JHsimple JHorganic JHmolecules JHfor JHgrowth JHand
JHenergy—it JHis JHtherefore JHa:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which JHis JHa JHlist JHof JHorganelles?
A) mitochondria, JHchromatin, JHendoplasmic JHreticulum
B) peroxisomes, JHlysosomes, JHplasma JHmembrane
C) proteasomes, JHperoxisomes, JHlysosomes
D) mitochondria, JHendoplasmic JHreticulum, JHperoxisomes
E) All JHof JHthe JHanswers JHare JHcorrect.
8. Which JHlist JHhas JHthe JHcellular JHcomponents JHarranged JHin JHorder JHof JHINCREASING JHsize?
A) amino JHacid JH< JHprotein JH< JHmitochondrion JH< JHribosome
B) amino JHacid JH< JHprotein JH< JHribosome JH< JHmitochondrion
C) amino JHacid JH< JHribosome JH< JHprotein JH< JHmitochondrion
D) protein JH< JHamino JHacid JH< JHmitochondrion JH< JHribosome
E) protein JH< JHribosome JH< JHmitochondrion JH< JHamino JHacid
9. The JHthree-dimensional JHstructure JHof JHmacromolecules JHis JHformed JHand JHmaintained
JHprimarily JHthrough JHnoncovalent JHinteractions. JHWhich JHone JHof JHthe JHfollowing JHis
JHNOT JHconsidered JHa JHnoncovalent JHinteraction?
A) carbon-carbon JHbonds
B) hydrogen JHbonds
C) hydrophobic JHinteractions
D) ionic JHinteractions
E) van JHder JHWaals JHinteractions
10. Which JHelement JHis JHNOT JHamong JHthe JHfour JHmost JHabundant JHin JHliving JHorganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page
JH2
, 11. The JHfour JHcovalent JHbonds JHin JHmethane JH(CH4) JHare JHarranged JHaround JHcarbon JHto
JHgive JHwhich JHgeometry?
A) linear
B) tetrahedral
C) trigonal JHbipyramidal
D) trigonal JHplanar
E) trigonal JHpyramidal
12. What JHfunctional JHgroups JHare JHpresent JHon JHthis JHmolecule?
A) ether JHand JHaldehyde
B) hydroxyl JHand JHaldehyde
C) hydroxyl JHand JHcarboxylic JHacid
D) hydroxyl JHand JHester
E) hydroxyl JHand JHketone
13. The JHmacromolecules JHthat JHserve JHin JHthe JHstorage JHand JHtransmission JHofJHgenetic
JHinformation JHare:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic JHacids.
E) proteins.
14. Stereoisomers JHthat JHare JHnonsuperimposable JHmirror JHimages JHof JHeach JHother JHare JHknown JHas:
A) anomers.
B) cis-trans JHisomers.
C) diastereoisomers.
D) enantiomers.
E) geometric JHisomers.
15. The JHcatalog JHof JHall JHproteins JHfunctioning JHin JHa JHcell JHis JHthe:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
Page
JH3
