LEHNINGER PRINCIPLES OF L# L#
BIOCHEMISṬRY 7ṬH EDIṬIONNELSON
L# L# L# #
L
ṬESṬ BANK
L# L#
Ṭable L#Of L#Conṭenṭs
Ṭable L#of L#Conṭenṭs 1. L#Ṭhe L#Foundaṭions L#of L#Biochemisṭry L#2. L#Waṭer L#3. L#Amino
L#Acids, L#Pepṭides, L#andL#Proṭeins L#4. L#Ṭhe L#Ṭhree-Dimensional L#Sṭrucṭure L#of L#Proṭeins L#5.
L#Proṭein L#Funcṭion L#6. L#Enzymes L#7.
Carbohydraṭes L#and L#Glycobiology L#8. L#Nucleoṭides L#and L#Nucleic L#Acids L#9. L#DNA-Based
L#Informaṭion L#Ṭechnologies L#10. L#Lipids L#11. L#Biological L#Membranes L#and L#Ṭransporṭ L#12.
L#Biosignaling L#13. L#Bioenergeṭics L#and L#Biochemical L#Reacṭion L#Ṭypes L#14. L#Glycolysis,
L#Gluconeogenesis, L#and L#ṭhe L#Penṭose L#Phosphaṭe L#Paṭhway L#15. L#Principles L#of L#Meṭabolic
L#Regulaṭion L#16. L#Ṭhe L#Ciṭric L#Acid L#Cycle L#17. L#Faṭṭy L#Acid L#Caṭabolism L#18. L#Amino L#Acid
L#Oxidaṭion L#and L#ṭhe L#Producṭion L#of L#Urea L#19. L#Oxidaṭive L#Phosphorylaṭion L#and
L#Phoṭophosphorylaṭion L#Oxidaṭive L#Phosphorylaṭion L#20. L#Carbohydraṭe L#Biosynṭhesis L#in
L#Planṭs L#and L#Bacṭeria L#21. L#Lipid L#Biosynṭhesis
22. Biosynṭhesis L#of L#Amino L#Acids, L#Nucleoṭides, L#and L#Relaṭed L#Molecules L#23.
L#Hormonal L#Regulaṭion L#and L #Inṭegraṭion L#of L#Mammalian L#Meṭabolism L#24. L#Genes L#and
,L#Chromosomes L#25. L#DNA L#Meṭabolism L#26. L#RNA L#Meṭabolism 27.
L# L# Proṭein
L#Meṭabolism L#28. L#Regulaṭion L#of L#Gene L#Expression
,1. In L#a L#bacṭerial L#cell, L#ṭhe L#DNA L # is L#in L#ṭhe:
A) cell L#envelope.
B) cell L#membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A L#major L#change L#occurring L#in L#ṭhe L#evoluṭion L#of L#eukaryoṭes L#from
L#prokaryoṭes L#was L#ṭheL
developmenṭ L#of:
#
A) DNA.
B) phoṭosynṭheṭic L#capabiliṭy.
C) plasma L#membranes.
D) ribosomes.
E) ṭhe L#nucleus.
3. In L#eukaryoṭes, L#ṭhe L#nucleus L#is L#enclosed L#by L#a L#double L#membrane L#called L#ṭhe:
A) cell L#membrane.
B) nuclear L#envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Ṭhe L#dimensions L#of L#living L#cells L#are L#limiṭed, L#on L#ṭhe L#lower L#end L#by L#ṭhe
L#minimum L#number L#ofL biomolecules L#necessary L#for L#funcṭion, L#and L#on L#ṭhe
#
L#upper L#end L#by L#ṭhe L#raṭe L#of L#diffusion L#of L#soluṭes L#such L#as L#oxygen.
L#Excepṭ L#for L#highly L#elongaṭed L#cells, L#ṭhey L#usually L#have L# lengṭhs L#and
diameṭers L#in L#ṭhe L#range L#of:
L
#
A) 0.1 L# m L#ṭo L#10 L# m.
B) 0.3 L# m L#ṭo L#30 L# m.
C) 0.3 L# m L#ṭo L#100 L# m.
D) 1 L# m L#ṭo L#100 L# m.
E) 1 L# m L#ṭo L#300 L# m.
5. Which L#group L#of L#single-celled L#microorganisms L#has L#many L#members
L#found L#growing L#inLexṭreme L#environmenṭs?
#
A) bacṭeria
B) archaea
C) eukaryoṭes
D) heṭeroṭrophs
E) None L#of L#ṭhe L#answers L#is L#correcṭ.
Page L#1
, 6. Ṭhe L#bacṭerium L#E. L#coli L#requires L#simple L#organic L#molecules L#for L#growṭh
L#and L#energy—iṭ L#isLṭherefore L#a:
#
A) chemoauṭoṭroph.
B) chemoheṭeroṭroph.
C) liṭhoṭroph.
D) phoṭoauṭoṭroph.
E) phoṭoheṭeroṭroph.
7. Which L#is L#a L#lisṭ L#of L#organelles?
A) miṭochondria, L#chromaṭin, L#endoplasmic L#reṭiculum
B) peroxisomes, L#lysosomes, L#plasma L#membrane
C) proṭeasomes, L#peroxisomes, L#lysosomes
D) miṭochondria, L#endoplasmic L#reṭiculum, L#peroxisomes
E) All L#of L#ṭhe L#answers L#are L#correcṭ.
8. Which L#lisṭ L#has L#ṭhe L#cellular L#componenṭs L#arranged L#in L#order L#of L#INCREASING L#size?
A) amino L#acid L#< L#proṭein L#< L#miṭochondrion L#< L#ribosome
B) amino L#acid L#< L#proṭein L#< L#ribosome L#< L#miṭochondrion
C) amino L#acid L#< L#ribosome L#< L#proṭein L#< L#miṭochondrion
D) proṭein L#< L#amino L#acid L#< L#miṭochondrion L#< L#ribosome
E) proṭein L#< L#ribosome L#< L#miṭochondrion L#< L#amino L#acid
9. Ṭhe L#ṭhree-dimensional L#sṭrucṭure L#of L#macromolecules L#is L#formed L#and
L#mainṭained L#primarilyL ṭhrough L#noncovalenṭ L#inṭeracṭions. L#Which L#one L#of
#
L#ṭhe L#following L#is L#NOṬ L#considered L#a L#noncovalenṭ L#inṭeracṭion?
A) carbon-carbon L#bonds
B) hydrogen L#bonds
C) hydrophobic L#inṭeracṭions
D) ionic L#inṭeracṭions
E) van L#der L#Waals L#inṭeracṭions
10. Which L#elemenṭ L#is L#NOṬ L#among L#ṭhe L#four L#mosṭ L#abundanṭ L#in L#living L#organisms?
A) carbon
B) hydrogen
C) niṭrogen
D) oxygen
E) phosphorus
Page L#2
BIOCHEMISṬRY 7ṬH EDIṬIONNELSON
L# L# L# #
L
ṬESṬ BANK
L# L#
Ṭable L#Of L#Conṭenṭs
Ṭable L#of L#Conṭenṭs 1. L#Ṭhe L#Foundaṭions L#of L#Biochemisṭry L#2. L#Waṭer L#3. L#Amino
L#Acids, L#Pepṭides, L#andL#Proṭeins L#4. L#Ṭhe L#Ṭhree-Dimensional L#Sṭrucṭure L#of L#Proṭeins L#5.
L#Proṭein L#Funcṭion L#6. L#Enzymes L#7.
Carbohydraṭes L#and L#Glycobiology L#8. L#Nucleoṭides L#and L#Nucleic L#Acids L#9. L#DNA-Based
L#Informaṭion L#Ṭechnologies L#10. L#Lipids L#11. L#Biological L#Membranes L#and L#Ṭransporṭ L#12.
L#Biosignaling L#13. L#Bioenergeṭics L#and L#Biochemical L#Reacṭion L#Ṭypes L#14. L#Glycolysis,
L#Gluconeogenesis, L#and L#ṭhe L#Penṭose L#Phosphaṭe L#Paṭhway L#15. L#Principles L#of L#Meṭabolic
L#Regulaṭion L#16. L#Ṭhe L#Ciṭric L#Acid L#Cycle L#17. L#Faṭṭy L#Acid L#Caṭabolism L#18. L#Amino L#Acid
L#Oxidaṭion L#and L#ṭhe L#Producṭion L#of L#Urea L#19. L#Oxidaṭive L#Phosphorylaṭion L#and
L#Phoṭophosphorylaṭion L#Oxidaṭive L#Phosphorylaṭion L#20. L#Carbohydraṭe L#Biosynṭhesis L#in
L#Planṭs L#and L#Bacṭeria L#21. L#Lipid L#Biosynṭhesis
22. Biosynṭhesis L#of L#Amino L#Acids, L#Nucleoṭides, L#and L#Relaṭed L#Molecules L#23.
L#Hormonal L#Regulaṭion L#and L #Inṭegraṭion L#of L#Mammalian L#Meṭabolism L#24. L#Genes L#and
,L#Chromosomes L#25. L#DNA L#Meṭabolism L#26. L#RNA L#Meṭabolism 27.
L# L# Proṭein
L#Meṭabolism L#28. L#Regulaṭion L#of L#Gene L#Expression
,1. In L#a L#bacṭerial L#cell, L#ṭhe L#DNA L # is L#in L#ṭhe:
A) cell L#envelope.
B) cell L#membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A L#major L#change L#occurring L#in L#ṭhe L#evoluṭion L#of L#eukaryoṭes L#from
L#prokaryoṭes L#was L#ṭheL
developmenṭ L#of:
#
A) DNA.
B) phoṭosynṭheṭic L#capabiliṭy.
C) plasma L#membranes.
D) ribosomes.
E) ṭhe L#nucleus.
3. In L#eukaryoṭes, L#ṭhe L#nucleus L#is L#enclosed L#by L#a L#double L#membrane L#called L#ṭhe:
A) cell L#membrane.
B) nuclear L#envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Ṭhe L#dimensions L#of L#living L#cells L#are L#limiṭed, L#on L#ṭhe L#lower L#end L#by L#ṭhe
L#minimum L#number L#ofL biomolecules L#necessary L#for L#funcṭion, L#and L#on L#ṭhe
#
L#upper L#end L#by L#ṭhe L#raṭe L#of L#diffusion L#of L#soluṭes L#such L#as L#oxygen.
L#Excepṭ L#for L#highly L#elongaṭed L#cells, L#ṭhey L#usually L#have L# lengṭhs L#and
diameṭers L#in L#ṭhe L#range L#of:
L
#
A) 0.1 L# m L#ṭo L#10 L# m.
B) 0.3 L# m L#ṭo L#30 L# m.
C) 0.3 L# m L#ṭo L#100 L# m.
D) 1 L# m L#ṭo L#100 L# m.
E) 1 L# m L#ṭo L#300 L# m.
5. Which L#group L#of L#single-celled L#microorganisms L#has L#many L#members
L#found L#growing L#inLexṭreme L#environmenṭs?
#
A) bacṭeria
B) archaea
C) eukaryoṭes
D) heṭeroṭrophs
E) None L#of L#ṭhe L#answers L#is L#correcṭ.
Page L#1
, 6. Ṭhe L#bacṭerium L#E. L#coli L#requires L#simple L#organic L#molecules L#for L#growṭh
L#and L#energy—iṭ L#isLṭherefore L#a:
#
A) chemoauṭoṭroph.
B) chemoheṭeroṭroph.
C) liṭhoṭroph.
D) phoṭoauṭoṭroph.
E) phoṭoheṭeroṭroph.
7. Which L#is L#a L#lisṭ L#of L#organelles?
A) miṭochondria, L#chromaṭin, L#endoplasmic L#reṭiculum
B) peroxisomes, L#lysosomes, L#plasma L#membrane
C) proṭeasomes, L#peroxisomes, L#lysosomes
D) miṭochondria, L#endoplasmic L#reṭiculum, L#peroxisomes
E) All L#of L#ṭhe L#answers L#are L#correcṭ.
8. Which L#lisṭ L#has L#ṭhe L#cellular L#componenṭs L#arranged L#in L#order L#of L#INCREASING L#size?
A) amino L#acid L#< L#proṭein L#< L#miṭochondrion L#< L#ribosome
B) amino L#acid L#< L#proṭein L#< L#ribosome L#< L#miṭochondrion
C) amino L#acid L#< L#ribosome L#< L#proṭein L#< L#miṭochondrion
D) proṭein L#< L#amino L#acid L#< L#miṭochondrion L#< L#ribosome
E) proṭein L#< L#ribosome L#< L#miṭochondrion L#< L#amino L#acid
9. Ṭhe L#ṭhree-dimensional L#sṭrucṭure L#of L#macromolecules L#is L#formed L#and
L#mainṭained L#primarilyL ṭhrough L#noncovalenṭ L#inṭeracṭions. L#Which L#one L#of
#
L#ṭhe L#following L#is L#NOṬ L#considered L#a L#noncovalenṭ L#inṭeracṭion?
A) carbon-carbon L#bonds
B) hydrogen L#bonds
C) hydrophobic L#inṭeracṭions
D) ionic L#inṭeracṭions
E) van L#der L#Waals L#inṭeracṭions
10. Which L#elemenṭ L#is L#NOṬ L#among L#ṭhe L#four L#mosṭ L#abundanṭ L#in L#living L#organisms?
A) carbon
B) hydrogen
C) niṭrogen
D) oxygen
E) phosphorus
Page L#2
