a2 a2 a2 a2 a2 a
Nelson Test Bank
2 a2 a2
Tablea2Ofa2Contents
Tablea2ofa2Contents
1.a2Thea2Foundationsa2ofa2Biochemistrya22.a2Watera23.a2Aminoa2Acids,a2P
eptides,a2anda2Proteinsa24.a2Thea2Three-
Dimensionala2Structurea2ofa2Proteinsa25.a2Proteina2Functiona26.a2Enzymesa27.
Carbohydratesa2anda2Glycobiologya28.a2Nucleotidesa2anda2Nucleica2Acidsa29.a2DNA-
Baseda2Informationa2Technologiesa210.a2Lipidsa211.a2Biologicala2Membranesa2anda2Transporta212.a2Bio
signalinga213.a2Bioenergeticsa2anda2Biochemicala2Reactiona2Typesa214.a2Glycolysis,a2Gluconeogenesis,a
2anda2thea2Pentosea2Phosphatea2Pathwaya215.a2Principlesa2ofa2Metabolica2Regulationa216.a2Thea2Citri
ca2Acida2Cyclea217.a2Fattya2Acida2Catabolisma218.a2Aminoa2Acida2Oxidationa2anda2thea2Productiona2ofa
2Ureaa219.a2Oxidativea2Phosphorylationa2anda2Photophosphorylationa2Oxidativea2Phosphorylationa220
.a2Carbohydratea2Biosynthesisa2ina2Plantsa2anda2Bacteriaa221.a2Lipida2Biosynthesis
22.a2Biosynthesisa2ofa2Aminoa2Acids,a2Nucleotides,a2anda2Relateda2Moleculesa223.a2Hormonala2Re
gulationa2anda2Integrationa2ofa2Mammaliana2Metabolisma224.a2Genesa2anda2Chromosomesa225.a2
DNAa2Metabolisma226.a2RNAa2Metabolisma227.a2Proteina2Metabolisma228.a2Regulationa2ofa2Gen
ea2Expression
,1. Ina2aa2bacteriala2cell,a2thea2DNAa2 isa2ina2the:
A) cella2envelope.
B) cella2membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Aa2majora2changea2occurringa2ina2thea2evolutiona2ofa2eukaryotesa2froma2prokaryote
sa2wasa2thea2developmenta2of:
A) DNA.
B) photosynthetica2capability.
C) plasmaa2membranes.
D) ribosomes.
E) thea2nucleus.
3. Ina2eukaryotes,a2thea2nucleusa2isa2encloseda2bya2aa2doublea2membranea2calleda2the:
A) cella2membrane.
B) nucleara2envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Thea2dimensionsa2ofa2livinga2cellsa2area2limited,a2ona2thea2lowera2enda2bya2thea2minimu
ma2numbera2ofa2biomoleculesa2necessarya2fora2function,a2anda2ona2thea2uppera2enda2bya2
thea2ratea2ofa2diffusiona2ofa2solutesa2sucha2asa2oxygen.a2Excepta2fora2highlya2elongateda2
cells,a2theya2usuallya2havea2lengthsa2anda2diametersa2ina2thea2rangea2of:
A) 0.1a2ma2toa210a2m.
B) 0.3a2ma2toa230a2m.
C) 0.3a2ma2toa2100a2m.
D) 1a2ma2toa2100a2m.
E) 1a2ma2toa2300a2m.
5. Whicha2groupa2ofa2single-
celleda2microorganismsa2hasa2manya2membersa2founda2growinga2ina2extremea2envir
onments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Nonea2ofa2thea2answersa2isa2correct.
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, 6. Thea2bacteriuma2E.a2colia2requiresa2simplea2organica2moleculesa2fora2growtha2anda2en
ergy—ita2isa2thereforea2a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Whicha2isa2aa2lista2ofa2organelles?
A) mitochondria,a2chromatin,a2endoplasmica2reticulum
B) peroxisomes,a2lysosomes,a2plasmaa2membrane
C) proteasomes,a2peroxisomes,a2lysosomes
D) mitochondria,a2endoplasmica2reticulum,a2peroxisomes
E) Alla2ofa2thea2answersa2area2correct.
8. Whicha2lista2hasa2thea2cellulara2componentsa2arrangeda2ina2ordera2ofa2INCREASINGa2size?
A) aminoa2acida2<a2proteina2<a2mitochondriona2<a2ribosome
B) aminoa2acida2<a2proteina2<a2ribosomea2<a2mitochondrion
C) aminoa2acida2<a2ribosomea2<a2proteina2<a2mitochondrion
D) proteina2<a2aminoa2acida2<a2mitochondriona2<a2ribosome
E) proteina2<a2ribosomea2<a2mitochondriona2<a2aminoa2acid
9. Thea2three-
dimensionala2structurea2ofa2macromoleculesa2isa2formeda2anda2maintaineda2primarilya2th
rougha2noncovalenta2interactions.a 2 Whicha2onea2ofa2thea2followinga2isa2NOTa2conside
reda2aa2noncovalenta2interaction?
A) carbon-carbona2bonds
B) hydrogena2bonds
C) hydrophobica2interactions
D) ionica2interactions
E) vana2dera2Waalsa2interactions
10. Whicha2elementa2isa2NOTa2amonga2thea2foura2mosta2abundanta2ina2livinga2organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
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, 11. Thea2foura2covalenta2bondsa2ina2methanea2(CH4)a2area2arrangeda2arounda2carbona2toa2
givea2whicha2geometry?
A) linear
B) tetrahedral
C) trigonala2bipyramidal
D) trigonala2planar
E) trigonala2pyramidal
12. Whata2functionala2groupsa2area2presenta2ona2thisa2molecule?
A) ethera2anda2aldehyde
B) hydroxyla2anda2aldehyde
C) hydroxyla2anda2carboxylica2acid
D) hydroxyla2anda2ester
E) hydroxyla2anda2ketone
13. Thea2macromoleculesa2thata2servea2ina2thea2storagea2anda2transmissiona2ofa2genetica2in
formationa2are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleica2acids.
E) proteins.
14. Stereoisomersa2thata2area2nonsuperimposablea2mirrora2imagesa2ofa2eacha2othera2area2knowna2as:
A) anomers.
B) cis-transa2isomers.
C) diastereoisomers.
D) enantiomers.
E) geometrica2isomers.
15. Thea2cataloga2ofa2alla2proteinsa2functioninga2ina2aa2cella2isa2the:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
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