Test Bank For Lehninger Principles of Biochemistry, 8th Edition (Nelson, 2022), 9781319228002, Chapter 1-28 All Chapters with Answers and Rationals

Test Bank: Lehninger Principles of Biochemistry, 8th
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Edition, David L. Nelson Chapters 1-28.
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1. In1a1bacterial1cell,1the1DNA1is1in1the:
A) cell1envelope.
B) cell1membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. A1major1change1occurring1in1the1evolution1of1eukaryotes1from1prokaryotes1was1the1
development1of:
A) DNA.
B) photosynthetic1capability.
C) plasma1membranes.
D) ribosomes.
E) the1nucleus.


3. In1eukaryotes,1the1nucleus1is1enclosed1by1a1double1membrane1called1the:
A) cell1membrane.
B) nuclear1envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. The1dimensions1of1living1cells1are1limited,1on1the1lower1end1by1the1minimum1number1of1
biomolecules1necessary1for1function,1and1on1the1upper1end1by1the1rate1of1diffusion1of
solutes1such1as1oxygen.1Except1for1highly1elongated1cells,1they1usually1have1lengths1and1
diameters1in1the1range1of:
A) 0.11m1to1101m.
B) 0.31m1to1301m.
C) 0.31m1to11001m.
D) 11m1to11001m.
E) 11m1to13001m.

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,5. Which1group1of1single-celled1microorganisms1has1many1members1found1 growing1in
extreme1environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None1of1the1answers1is1correct.


6. The1bacterium1E.1coli1requires1simple1organic1molecules1for1growth1and1energy—
it1is1therefore1a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Which1is1a1list1of1organelles?
A) mitochondria,1chromatin,1endoplasmic1reticulum
B) peroxisomes,1lysosomes,1plasma1membrane
C) proteasomes,1peroxisomes,1lysosomes
D) mitochondria,1endoplasmic1reticulum,1peroxisomes
E) All1of1the1answers1are1correct.


8. Which1list1has1the1cellular1components1arranged1in1order1of1 INCREASING1size?
A) amino1acid1<1protein1<1mitochondrion1<1ribosome
B) amino1acid1<1protein1<1ribosome1<1mitochondrion
C) amino1acid1<1ribosome1<1protein1<1mitochondrion
D) protein1<1amino1acid1<1mitochondrion1<1ribosome
E) protein1<1ribosome1<1mitochondrion1<1amino1acid


9. The1three-
dimensional1structure1of1macromolecules1is1formed1and1maintained1primarilythrough1n1
oncovalent1interactions.1Which1one1of1the1followingqis1NOT1considered1a
noncovalent1interaction?
A) carbon-carbon1bonds
B) hydrogen1bonds
C) hydrophobic1interactions
D) ionic1interactions
E) van1der1Waals1interactions




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,10. Which1element1is1NOT1among1the1four1most1abundant1in1living1organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. The1four1covalent1bonds1in1methane1(CH4)1are1arranged1around1carbon1to1give1which1
geometry?
A) linear
B) tetrahedral
C) trigonal1bipyramidal
D) trigonal1planar
E) trigonal1pyramidal


12. What1functional1groups1are1present1on1this1molecule?




A) ether1and1aldehyde
B) hydroxyl1and1aldehyde
C) hydroxyl1and1carboxylic1acid
D) hydroxyl1and1ester
E) hydroxyl1and1ketone


13. The1macromolecules1that1serve1in1the1storage1and1transmission1of1genetic1information1
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic1acids.
E) proteins.


14. Stereoisomers1that1are1nonsuperimposable1mirror1images1of1each1other1are1known1as:
A) anomers.
B) cis-trans1isomers.
C) diastereoisomers.
D) enantiomers.
E) geometric1isomers.



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, 15. The1catalog1of1all1proteins1functioning1in1a1cell1is1the:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.

Answer1Key
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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