Test Bank For Lehninger Principles of Biochemistry 8th Edition By David L. Nelson; Michael M. Cox | 9781319228002 | | Chapter 1-28 | All Chapters with Answers and Rationals

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, TestBank:LehningerPrinciplesofBiochemistry
,8th Edition, David L. NelsonChapters1-28. 11 11 11 11 11 11




1. Inabacterialcell,theDNAisinthe:
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A) cellenvelope. 1




B) cellmembrane. 1




C) nucleoid.
D) nucleus.
E) ribosomes.


2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
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developmentof:
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A) DNA.
B) photosynthetic capability. 1 1




C) plasmamembranes. 1




D) ribosomes.
E) thenucleus. 1




3. Ineukaryotes,thenucleusisenclosedb ya doublemembranecalledthe:
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A) cellmembrane. 1




B) nuclear envelope. 11




C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. Thedimensionsoflivingcellsarelimited,onthelowerendbytheminimumnumberof
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biomolecules necessary for function, and on the upper end by the rate of diffusion of
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solutessuchasoxygen.Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
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diameters in the range of:
A) 0.1mto10 m.
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1 1 1 11




B) 0.3mto30 m. 1 1 1 11




C) 0.3mto100 m. 1 1 1 11




D) 1mto100m. 1 1 1 1




E) 1mto300m. 1 1 1 1




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,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
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extremeenvironments?
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A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneoftheanswersiscorrect. 1 1 1 1 1




6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
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thereforea:
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A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichisalistof organelles?
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A) mitochondria,chromatin,endoplasmicreticulum 1 1 1




B) peroxisomes,lysosomes, plasma membrane 1 1 1 11




C) proteasomes, peroxisomes, lysosomes 11 11




D) mitochondria, endoplasmic reticulum, peroxisomes 11 11 11




E) Alloftheanswersarecorrect.
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8. Whichlisthasthecellularcomponentsarrangedinorderof INCREASINGsize?
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A) aminoacid<protein<mitochondrion<ribosome 1 1 1 1 1 1 1




B) aminoacid<protein<ribosome<mitochondrion 1 1 1 11 1 1 1




C) aminoacid<ribosome<protein<mitochondrion 1 1 1 1 1 1 1




D) protein<aminoacid<mitochondrion<ribosome 1 1 1 11 1 1 1




E) protein<ribosome<mitochondrion<aminoacid 1 1 1 1 11 1 1




9. Thethree-dimensional structureofmacromoleculesisformedandmaintained primarily
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throughnoncovalentinteractions. WhichoneofthefollowingisNOTconsidereda
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noncovalentinteraction?
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A) carbon-carbon bonds 11




B) hydrogenbonds 11




C) hydrophobic interactions 11




D) ionicinteractions 1




E) vanderWaalsinteractions
1 1 1




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, 10. WhichelementisNOTamongthefourmostabundantinlivingorganisms?
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A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbontogivewhich
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geometry?
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A) linear
B) tetrahedral
C) trigonalbipyramidal 11




D) trigonalplanar 11




E) trigonalpyramidal 11




12. Whatfunctionalgroupsarepresentonthismolecule?
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A) etherand aldehyde
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B) hydroxylandaldehyde 11 11




C) hydroxyl andcarboxylic acid 11 11 11




D) hydroxylandester 11 11




E) hydroxylandketone 11 11




13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
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A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. 11




E) proteins.


14. Stereoisomersthatarenonsuperimposablemirrorimagesofeachotherareknownas:
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A) anomers.
B) cis-transisomers. 11




C) diastereoisomers.
D) enantiomers.
E) geometricisomers. 1




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