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

Test47Bank:47Lehninger47Principles47of47Biochemistry,478th47Ed
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, ition,47David47L.47Nelson47Chapters471-28.

1. In47a47bacterial47cell,47the47DNA47is4
7in47the:
A) cell47envelope.
B) cell47membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. A47major47change47occurring47in47the47evolution47of47eukaryotes47from47prokaryot
es47was47the
development47of:
A) DNA.
B) photosynthetic47capability.
C) plasma47membranes.
D) ribosomes.
E) the47nucleus.


3. In47eukaryotes,47the47nucleus47is47enclosed47by47a47double47membrane47
called47the:
A) cell47membrane.
B) nuclear47envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. The47dimensions47of47living47cells47are47limited,47on47the47lower47end47by47the47minimu
m47number47of47biomolecules47necessary47for47function,47and47on47the47upper47end47by
47the47rate47of47diffusion47of
solutes47such47as47oxygen.47Except47for47highly47elongated47cells,47they47usually47have4
7lengths47and47diameters47in47the47range47of:
A) 0.147m47to471047m.
B) 0.347m47to473047m.
C) 0.347m47to4710047m.
D) 147m47to4710047m.
E) 147m47to4730047m.




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,5. Which47group47of47single-
celled47microorganisms47has47many47members47found47growing47in
extreme47environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None47of47the47answers47is47correct.


6. The47bacterium47E.47coli47requires47simple47organic47molecules47for47growth47and47e
nergy—it47is
therefore47a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Which47is47a47list47of47organelles?
A) mitochondria,47chromatin,47endoplasmic47reticulum
B) peroxisomes,47lysosomes,47plasma47membrane
C) proteasomes,47peroxisomes,47lysosomes
D) mitochondria,47endoplasmic47reticulum,47peroxiso
mes
E) All47of47the47answers47are47correct.


8. Which47list47has47the47cellular47components47arranged47in47order47of47INCREAS
ING47size?
A) amino47acid47<47protein47<47mitochondrion47<47ribosome
B) amino47acid47<47protein47<47ribosome47<47mitochondrion
C) amino47acid47<47ribosome47<47protein47<47mitochondrion
D) protein47<47amino47acid47<47mitochondrion47<47ribosome
E) protein47<47ribosome47<47mitochondrion47<47amino47acid


9. The47three-
dimensional47structure47of47macromolecules47is47formed47and47maintained47primarily47t
hrough47noncovalent47interactions.4 7 Which47one47of47the47following47is47NOT47consid
ered47a
noncovalent47interaction?




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, A) carbon-carbon47bonds
B) hydrogen47bonds
C) hydrophobic47interactions
D) ionic47interactions
E) van47der47Waals47interactions
10. Which47element47is47NOT47among47the47four47most47abundant47in47living47
organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. The47four47covalent47bonds47in47methane47(CH4)47are47arranged47around47carbon47to4
7give47which
geometry?
A) linear
B) tetrahedral
C) trigonal47bipyramidal
D) trigonal47planar
E) trigonal47pyramidal


12. What47functional47groups47are47present47on47this47mo
lecule?




A) ether47and47aldehyde
B) hydroxyl47and47aldehyde
C) hydroxyl47and47carboxylic47acid
D) hydroxyl47and47ester
E) hydroxyl47and47ketone


13. The47macromolecules47that47serve47in47the47storage47and47transmission47of47genetic47i
nformation
are:
A) carbohydrates.




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