Test Bank for Lehninger Principles of Biochemistry 7th Edition – David L. Nelson | Chapters 1–28 | Verified Questions & Answers

Test Bank: Lehninger Principles of Biochemistry, 7th Editio
3 3 3 3 3 3 3

n, David L. Nelson Chapters 1-28.
3 3 3 3 3




1. In3a3bacterial3cell,3the3DNA3is3in3the
:
A) cell3envelope.
B) cell3membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. A3major3change3occurring3in3the3evolution3of3eukaryotes3from3prokaryotes3was3th
e
development3of:
A) DNA.
B) photosynthetic3capability.
C) plasma3membranes.
D) ribosomes.
E) the3nucleus.


3. In3eukaryotes,3the3nucleus3is3enclosed3by3a3double3membrane3called3the
:
A) cell3membrane.
B) nuclear3envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. The3dimensions3of3living3cells3are3limited,3on3the3lower3end3by3the3minimum3number3
of3biomolecules3necessary3for3function,3and3on3the3upper3end3by3the3rate3of3diffusion3
of
solutes3such3as3oxygen.3Except3for3highly3elongated3cells,3they3usually3have3lengths3an
d3diameters3in3the3range3of:
A) 0.13m3to3103m.
B) 0.33m3to3303m.
C) 0.33m3to31003m.
D) 13m3to31003m.
E) 13m3to33003m.




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,5. Which3group3of3single-
celled3microorganisms3has3many3members3found3growing3in
extreme3environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None3of3the3answers3is3correct.


6. The3bacterium3E.3coli3requires3simple3organic3molecules3for3growth3and3energy—
it3is
therefore3a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Which3is3a3list3of3organelles?
A) mitochondria,3chromatin,3endoplasmic3reticulum
B) peroxisomes,3lysosomes,3plasma3membrane
C) proteasomes,3peroxisomes,3lysosomes
D) mitochondria,3endoplasmic3reticulum,3peroxisomes
E) All3of3the3answers3are3correct.


8. Which3list3has3the3cellular3components3arranged3in3order3of3INCREASING3size
?
A) amino3acid3<3protein3<3mitochondrion3<3ribosome
B) amino3acid3<3protein3<3ribosome3<3mitochondrion
C) amino3acid3<3ribosome3<3protein3<3mitochondrion
D) protein3<3amino3acid3<3mitochondrion3<3ribosome
E) protein3<3ribosome3<3mitochondrion3<3amino3acid


9. The3three-
dimensional3structure3of3macromolecules3is3formed3and3maintained3primarily3through3
noncovalent3interactions.3 Which3one3of3the3following3is3NOT3considered3a
noncovalent3interaction?
A) carbon-carbon3bonds




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, B) hydrogen3bonds
C) hydrophobic3interactions
D) ionic3interactions
E) van3der3Waals3interactions
10. Which3element3is3NOT3among3the3four3most3abundant3in3living3organisms
?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. The3four3covalent3bonds3in3methane3(CH4)3are3arranged3around3carbon3to3give3whic
h
geometry?
A) linear
B) tetrahedral
C) trigonal3bipyramidal
D) trigonal3planar
E) trigonal3pyramidal


12. What3functional3groups3are3present3on3this3molecule?




A) ether3and3aldehyde
B) hydroxyl3and3aldehyde
C) hydroxyl3and3carboxylic3acid
D) hydroxyl3and3ester
E) hydroxyl3and3ketone


13. The3macromolecules3that3serve3in3the3storage3and3transmission3of3genetic3informatio
n
are:
A) carbohydrates.
B) lipids.




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, C) membranes.
D) nucleic3acids.
E) proteins.


14. Stereoisomers3that3are3nonsuperimposable3mirror3images3of3each3other3are3known3as
:
A) anomers.
B) cis-trans3isomers.
C) diastereoisomers.
D) enantiomers.
E) geometric3isomers.




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