Test bank lehninger principles of biochemistry 7th edition david l nelson chapters 1 28

Test Bank: Lehninger Principles of Biochemistry, 7th Edi
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tion, David L. Nelson Chapters 1-28.
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1. InF7aF7bacterialF7cell,F7theF7DNAF7isF7
inF7the:
A) cellF7envelope.
B) cellF7membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. AF7majorF7changeF7occurringF7inF7theF7evolutionF7ofF7eukaryotesF7fromF7prokaryote
sF7wasF7the
developmentF7of:
A) DNA.
B) photosyntheticF7capability.
C) plasmaF7membranes.
D) ribosomes.
E) theF7nucleus.


3. InF7eukaryotes,F7theF7nucleusF7isF7enclosedF7byF7aF7doubleF7membraneF7c
alledF7the:
A) cellF7membrane.
B) nuclearF7envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. TheF7dimensionsF7ofF7livingF7cellsF7areF7limited,F7onF7theF7lowerF7endF7byF7theF7minimu
mF7numberF7ofF7biomoleculesF7necessaryF7forF7function,F7andF7onF7theF7upperF7endF7byF7
theF7rateF7ofF7diffusionF7of
solutesF7suchF7asF7oxygen.F7ExceptF7forF7highlyF7elongatedF7cells,F7theyF7usuallyF7haveF7l
engthsF7andF7diametersF7inF7theF7rangeF7of:
A) 0.1F7mF7toF710F7m.
B) 0.3F7mF7toF730F7m.
C) 0.3F7mF7toF7100F7m.
D) 1F7mF7toF7100F7m.
E) 1F7mF7toF7300F7m.




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,5. WhichF7groupF7ofF7single-
celledF7microorganismsF7hasF7manyF7membersF7foundF7growingF7in
extremeF7environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) NoneF7ofF7theF7answersF7isF7correct.


6. TheF7bacteriumF7E.F7coliF7requiresF7simpleF7organicF7moleculesF7forF7growthF7andF7ene
rgy—itF7is
thereforeF7a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. WhichF7isF7aF7listF7ofF7organelles?
A) mitochondria,F7chromatin,F7endoplasmicF7reticulum
B) peroxisomes,F7lysosomes,F7plasmaF7membrane
C) proteasomes,F7peroxisomes,F7lysosomes
D) mitochondria,F7endoplasmicF7reticulum,F7peroxisom
es
E) AllF7ofF7theF7answersF7areF7correct.


8. WhichF7listF7hasF7theF7cellularF7componentsF7arrangedF7inF7orderF7ofF7INCREASI
NGF7size?
A) aminoF7acidF7<F7proteinF7<F7mitochondrionF7<F7ribosome
B) aminoF7acidF7<F7proteinF7<F7ribosomeF7<F7mitochondrion
C) aminoF7acidF7<F7ribosomeF7<F7proteinF7<F7mitochondrion
D) proteinF7<F7aminoF7acidF7<F7mitochondrionF7<F7ribosome
E) proteinF7<F7ribosomeF7<F7mitochondrionF7<F7aminoF7acid


9. TheF7three-
dimensionalF7structureF7ofF7macromoleculesF7isF7formedF7andF7maintainedF7primarilyF7th
roughF7noncovalentF7interactions.F 7 WhichF7oneF7ofF7theF7followingF7isF7NOTF7considere
dF7a
noncovalentF7interaction?




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, A) carbon-carbonF7bonds
B) hydrogenF7bonds
C) hydrophobicF7interactions
D) ionicF7interactions
E) vanF7derF7WaalsF7interactions
10. WhichF7elementF7isF7NOTF7amongF7theF7fourF7mostF7abundantF7inF7livingF7o
rganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. TheF7fourF7covalentF7bondsF7inF7methaneF7(CH4)F7areF7arrangedF7aroundF7carbonF7toF7
giveF7which
geometry?
A) linear
B) tetrahedral
C) trigonalF7bipyramidal
D) trigonalF7planar
E) trigonalF7pyramidal


12. WhatF7functionalF7groupsF7areF7presentF7onF7thisF7mol
ecule?




A) etherF7andF7aldehyde
B) hydroxylF7andF7aldehyde
C) hydroxylF7andF7carboxylicF7acid
D) hydroxylF7andF7ester
E) hydroxylF7andF7ketone


13. TheF7macromoleculesF7thatF7serveF7inF7theF7storageF7andF7transmissionF7ofF7geneticF7in
formation
are:
A) carbohydrates.




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, B) lipids.
C) membranes.
D) nucleicF7acids.
E) proteins.


14. StereoisomersF7thatF7areF7nonsuperimposableF7mirrorF7imagesF7ofF7eachF7otherF7areF7k
nownF7as:
A) anomers.
B) cis-transF7isomers.
C) diastereoisomers.
D) enantiomers.
E) geometricF7isomers.




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