Test Bank Complete_ Lehninger Principles Of Biochemistry (8th) Eighth Edition, (2021) By David Nelson & Michael Cox| All Chapters 1-14| Latest Version With Verified Answers| Grade A+

Test57Bank:57Lehninger57Principles57of57Biochemistry
,577th57Edition,57David57L.57Nelson57Chapters571-28.

1. In57a57bacterial57cell,57the57DNA57is5
7in57the:
A) cell57envelope.
B) cell57membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. A57major57change57occurring57in57the57evolution57of57eukaryotes57from57prokaryote
s57was57the57development57of:
A) DNA.
B) photosynthetic57capability.
C) plasma57membranes.
D) ribosomes.
E) the57nucleus.


3. In57eukaryotes,57the57nucleus57is57enclosed57by57a57double57membrane57
called57the:
A) cell57membrane.
Page57 1

, B) nuclear57envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. The57dimensions57of57living57cells57are57limited,57on57the57lower57end57by57the57minimu
m57number57of57biomolecules57necessary57for57function,57and57on57the57upper57end57by5
7the57rate57of57diffusion57of
solutes57such57as57oxygen.57Except57for57highly57elongated57cells,57they57usually57have57l
engths57and57diameters57in57the57range57of:
A) 0.157m57to571057m.
B) 0.357m57to573057m.
C) 0.357m57to5710057m.
D) 157m57to5710057m.
E) 157m57to5730057m.




Page57 2

,5. Which57group57of57single-
celled57microorganisms57has57many57members57found57growing57in57extreme57envir
onments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None57of57the57answers57is57correct.


6. The57bacterium57E.57coli57requires57simple57organic57molecules57for57growth57and57en
ergy—it57is57therefore57a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Which57is57a57list57of57organelles?
A) mitochondria,57chromatin,57endoplasmic57reticulum
B) peroxisomes,57lysosomes,57plasma57membrane
C) proteasomes,57peroxisomes,57lysosomes
D) mitochondria,57endoplasmic57reticulum,57peroxiso
mes
E) All57of57the57answers57are57correct.


8. Which57list57has57the57cellular57components57arranged57in57order57of57INCREAS
ING57size?
A) amino57acid57<57protein57<57mitochondrion57<57ribosome
B) amino57acid57<57protein57<57ribosome57<57mitochondrion
C) amino57acid57<57ribosome57<57protein57<57mitochondrion
D) protein57<57amino57acid57<57mitochondrion57<57ribosome
E) protein57<57ribosome57<57mitochondrion57<57amino57acid


9. The57three-
dimensional57structure57of57macromolecules57is57formed57and57maintained57primarilyth
rough57n57oncovalent57interactions.57Which57one57of57the57followingqis57NOT57conside
red57a
noncovalent57interaction?
A) carbon-carbon57bonds
B) hydrogen57bonds
C) hydrophobic57interactions
D) ionic57interactions
E) van57der57Waals57interactions


Page57 3

, 10. Which57element57is57NOT57among57the57four57most57abundant57in57living57
organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. The57four57covalent57bonds57in57methane57(CH4)57are57arranged57around57carbon57to5
7give57which57geometry?
A) linear
B) tetrahedral
C) trigonal57bipyramidal
D) trigonal57planar
E) trigonal57pyramidal


12. What57functional57groups57are57present57on57this57mo
lecule?




A) ether57and57aldehyde
B) hydroxyl57and57aldehyde
C) hydroxyl57and57carboxylic57acid
D) hydroxyl57and57ester
E) hydroxyl57and57ketone


13. The57macromolecules57that57serve57in57the57storage57and57transmission57of57genetic57in
formation57are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic57acids.
E) proteins.


14. Stereoisomers57that57are57nonsuperimposable57mirror57images57of57each57other57are57
known57as:
A) anomers.
B) cis-trans57isomers.
C) diastereoisomers.
D) enantiomers.
E) geometric57isomers.
Page57 4