TEST BANK: LEHNINGER PRINCIPLES OF BIOCHEMISTRY, 8TH EDITION – DAVID L. NELSON (CHAPTERS 1–28) | 100% VERIFIED | COMPLETE QUESTIONS & ANSWERS | GRADED A+

TestBank:LehningerPrinciplesofBiochemistry,8th qj




Edition,DavidL.NelsonChapters1-28.

1. Inabacterialcell,theDNAisinthe:
q. q. q.




A) cellenvelope.
B) cellmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe q. q. q. q. qj



developmentof:
A) DNA.
B) photosynthetic capability. qj



C) plasmamembranes. q.




D) ribosomes.
E) thenucleus.


3. Ineukaryotes,thenucleusisenclosedb yadoublemembranecalledthe:
q. q. q. q. q. q.




A) cellmembrane.
B) nuclearenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. Thedimensionsoflivingcellsarelimited,onthelowerendbytheminimumnumberof bi
q. q. q. q. q. q. qj



omoleculesnecessaryforfunction,andontheupperendbytherateofdiffusionof q. q.




solutessuchasoxygen.Exceptforhighlyelongatedcells,theyusuallyhavelengthsand d
q. q. q. q. q. q. qj



iametersintherangeof:
A) 0.1m to10m. q.




B) 0.3m to30m. q.




C) 0.3m to100m. q.




D) 1m to100m. q.




E) 1m to300m. q.




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,5. Whichgroupofsingle- q.




celledmicroorganismshasmanymembersfoundgrowingin extremeenvironments
q. q. q. q. qj



?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneoftheanswersiscorrect. q. q. q.




6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy— q. .q




itis thereforea:
q. qj



A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichisalistoforganelles? q. q. q. q. q.




A) mitochondria,chromatin,endoplasmicreticulum q.




B) peroxisomes,lysosomes, plasmamembrane q. qj q.




C) proteasomes, peroxisomes, lysosomes qj qj



D) mitochondria, endoplasmic reticulum, peroxisomes qj qj qj



E) Alloftheanswersarecorrect. q. q. q.




8. WhichlisthasthecellularcomponentsarrangedinorderofINCREASINGsize?
q. q. q. q. q. q.




A) aminoacid<protein<mitochondrion<ribosome q. q.




B) aminoacid<protein<ribosome<mitochondrion q. q. q. q.




C) aminoacid<ribosome<protein<mitochondrion q. q. q. q. q.




D) protein<aminoacid<mitochondrion<ribosome q. q.




E) protein<ribosome<mitochondrion<aminoacid q. q. q. q. q.




9. Thethree- q.




dimensionalstructureofmacromoleculesisformedandmaintainedprimarily throughn q. q. qj q.




oncovalentinteractions.
WhichoneofthefollowingisNOTconsidereda n q. q. q. q. q. qj



oncovalentinteraction? q.




A) carbon-carbonbonds q.




B) hydrogenbonds




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, C) hydrophobicinteractions
D) ionicinteractions
E) vanderWaalsinteractions
q. q.




10. WhichelementisNOTamongthefourmostabundantinlivingorganisms?
q. q. q. q. q. q. q. q. q.




A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbontogivewhich
q. q. q. q. q. qj



geometry?
A) linear
B) tetrahedral
C) trigonalbipyramidal
q.




D) trigonalplanar q.




E) trigonalpyramidalq.




12. Whatfunctionalgroupsarepresentonthismolecule?
q. q. q.




A) etherandaldehyde
B) hydroxylandaldehyde q.




C) hydroxylandcarboxylicacid q. qj



D) hydroxylandester q.




E) hydroxylandketone q.




13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
q. q. q. q. q. q. q.




A) carbohydrates.
B) lipids.
C) membranes.
D) nucleicacids.
E) proteins.




Page3 q.

, 14. Stereoisomersthatarenonsuperimposablemirrorimagesofeachotherareknownas:
q. q. q. q. q.




A) anomers.
B) cis-transisomers.
C) diastereoisomers.
D) enantiomers.
E) geometricisomers.




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