Lehninger Principles of Biochemistry, 8th Edition (Nelson) Chapter 1-28 | All Chapters | complete study Guide Test Bank

TestBank:LehningerPrinciplesofBiochemistry,8th
Edition, David L. Nelson Chapters 1-28. 2d 2d 2d 2d 2d 2d




1. In a bacterial cell, the DNAis in the:
2d 2d 2d 2d 2d 2d 2d 2d




A) cell envelope. 2d




B) cell membrane. 2d




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


2. Amajorchange occurringin theevolutionof eukaryotesfrom prokaryotes wasthe
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




developmentof:
2d 2d




A) DNA.
B) photosynthetic capability. 2d




C) plasma membranes. 2d




D) ribosomes.
E) the nucleus. 2d




3. In eukaryotes,the nucleus is enclosedb ya double membranecalled the:
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




A) cell membrane. 2d




B) nuclear envelope. 2d




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


4. Thedimensions of livingcells arelimited, on thelower end bytheminimum numberof
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




biomolecules necessary for function, and on the upper end by the rate of diffusion of
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




solutes such as oxygen. Exceptforhighlyelongated cells,theyusuallyhavelengths and
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




diameters in the range of:
2d 2d 2d 2d 2d




A) 0.1 m to10 m. 2d 2d 2d 2d




B) 0.3 m to30 m. 2d 2d 2d 2d




C) 0.3 m to100 m. 2d 2d 2d 2d




D) 1 m to100 m. 2d 2d 2d 2d




E) 1 m to300 m. 2d 2d 2d 2d




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,5. Whichgroupofsingle-celledmicroorganisms hasmanymembersfound growingin
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




extreme environments?
2d 2d




A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneof theanswers is correct. 2d 2d 2d 2d 2d




6. ThebacteriumE. coli requires simpleorganicmoleculesfor growth and energy—itis
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




thereforea:
2d 2d




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


7. Which is a list of organelles?
2d 2d 2d 2d 2d




A) mitochondria,chromatin,endoplasmicreticulum 2d 2d 2d




B) peroxisomes, lysosomes, plasma membrane 2d 2d 2d




C) proteasomes, peroxisomes, lysosomes 2d 2d




D) mitochondria, endoplasmic reticulum, peroxisomes 2d 2d 2d




E) All of theanswers are correct.
2d 2d 2d 2d 2d




8. Whichlisthasthe cellularcomponents arranged in orderof INCREASING size?
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




A) amino acid < protein <mitochondrion < ribosome
2d 2d 2d 2d 2d 2d 2d




B) aminoacid < protein < ribosome< mitochondrion
2d 2d 2d 2d 2d 2d 2d




C) amino acid < ribosome< protein < mitochondrion
2d 2d 2d 2d 2d 2d 2d




D) protein<amino acid <mitochondrion < ribosome 2d 2d 2d 2d 2d 2d 2d




E) protein<ribosome <mitochondrion <amino acid 2d 2d 2d 2d 2d 2d 2d




9. Thethree-dimensional structureof macromolecules is formed and maintained primarily
2d 2d 2d 2d 2d 2d 2d 2d 2d




through noncovalent interactions. Whichone of the following is NOT considered a
2d 2d 2 d 2d 2d 2d 2d 2d 2d 2d 2d




noncovalentinteraction?
2d 2d




A) carbon-carbon bonds 2d




B) hydrogen bonds 2d




C) hydrophobic interactions 2d




D) ionic interactions 2d




E) van derWaals interactions
2d 2d 2d




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,10. Whichelement is NOT amongthe four most abundant in livingorganisms?
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




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


11. Thefour covalentbonds in methane(CH4) are arrangedaround carbonto givewhich
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




geometry?
2d




A) linear
B) tetrahedral
C) trigonal bipyramidal 2d




D) trigonal planar 2d




E) trigonal pyramidal 2d




12. Whatfunctional groups arepresent on this molecule?
2d 2d 2d 2d 2d 2d 2d




A) etherand aldehyde
2d 2d




B) hydroxyl and aldehyde 2d 2d




C) hydroxyl and carboxylic acid 2d 2d 2d




D) hydroxyl and ester 2d 2d




E) hydroxyl and ketone 2d 2d




13. Themacromoleculesthat servein thestorage and transmissionof geneticinformation are:
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. 2d




E) proteins.


14. Stereoisomersthat arenonsuperimposable mirrorimages of each otherare known as:
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




A) anomers.
B) cis-trans isomers. 2d




C) diastereoisomers.
D) enantiomers.
E) geometric isomers. 2d




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, 15. Thecatalogof all proteins functioningin a cell is the:
2d 2d 2d 2d 2d 2d 2d 2d 2d 2d




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

AnswerKey
2d




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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