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

TestBank:LehningerPrinciplesofBiochemistry,8th
Edition, David L. Nelson Chapters 1-28. h h h h h h




1. Inabacterialcell,theDNAisin the:
h h h h h h h h




A) cellenvelope. h




B) cellmembrane. h




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


2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
h h h h h h h h h h h h




developmentof:
h h




A) DNA.
B) photosynthetic capability. h




C) plasmamembranes. h




D) ribosomes.
E) thenucleus. h




3. Ineukaryotes,the nucleus isenclosedb ya double membranecalledthe:
h h h h h h h h h h




A) cellmembrane. h




B) nuclear envelope. h




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


4. Thedimensions of livingcellsarelimited,on thelowerend bytheminimumnumberof
h h h h h h h h h h h h h h




biomolecules necessary for function, and on the upper end by the rate of diffusion of
h h h h h h h h h h h h h h h




solutessuchasoxygen. Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
h h h h h h h h h h




diameters in the range of:
h h h h h




A) 0.1mto10 m. h h h h




B) 0.3mto30 m. h h h h




C) 0.3mto100 m. h h h h




D) 1mto100 m. h h h h




E) 1mto300 m. h h h h




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,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
h h h h h h h h h h




extreme environments?
h h




A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneof theanswers iscorrect. h h h h h




6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
h h h h h h h h h h h h




thereforea:
h h




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


7. Whichisalistof organelles?
h h h h h




A) mitochondria,chromatin,endoplasmicreticulum h h h




B) peroxisomes, lysosomes, plasma membrane h h h




C) proteasomes, peroxisomes, lysosomes h h




D) mitochondria, endoplasmic reticulum, peroxisomes h h h




E) All of theanswers arecorrect.
h h h h h




8. Whichlisthasthecellularcomponents arrangedin orderof INCREASING size?
h h h h h h h h h h h




A) aminoacid<protein <mitochondrion< ribosome
h h h h h h h




B) aminoacid<protein <ribosome< mitochondrion
h h h h h h h




C) aminoacid<ribosome< protein<mitochondrion
h h h h h h h




D) protein<amino acid <mitochondrion<ribosomeh h h h h h h




E) protein<ribosome <mitochondrion <amino acid
h h h h h h h




9. Thethree-dimensional structureofmacromolecules is formed and maintained primarily
h h h h h h h h h




through noncovalentinteractions. WhichoneofthefollowingisNOT considereda
h h h h h h h h h h h




noncovalentinteraction?
h h




A) carbon-carbon bonds h




B) hydrogen bonds h




C) hydrophobic interactions h




D) ionicinteractions h




E) vanderWaalsinteractions
h h h




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,10. WhichelementisNOT amongthe fourmost abundantin livingorganisms?
h h h h h h h h h h h




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


11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbonto givewhich
h h h h h h h h h h h h h




geometry?
h




A) linear
B) tetrahedral
C) trigonal bipyramidal h




D) trigonal planar h




E) trigonal pyramidal h




12. Whatfunctionalgroups arepresenton this molecule?
h h h h h h h




A) etherand aldehyde
h h




B) hydroxyl and aldehyde h h




C) hydroxyl and carboxylic acid h h h




D) hydroxyl and ester h h




E) hydroxyl and ketone h h




13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
h h h h h h h h h h h h




A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. h




E) proteins.


14. Stereoisomersthatarenonsuperimposable mirrorimagesof eachotherare known as:
h h h h h h h h h h h




A) anomers.
B) cis-trans isomers. h




C) diastereoisomers.
D) enantiomers.
E) geometric isomers. h




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, 15. Thecatalogofallproteins functioningina cell isthe:
h h h h h h h h h h




A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.

AnswerKey
h




1. B
2. D
3. D
4. C
5. E
6. A
7. B
8. D
9. E
10. E
11. D
12. A
13. D
14. A
15. A
16. C
17. B
18. C
19. A
20. D
21. B
22. C
23. D




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