Lehninger Principles of Biochemistry 7th Edition
Nelson Test Bank
Table Of Contents
Table of Contents 1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, and
Proteins 4. The Three-Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-Based Information
Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 13. Bioenergetics and
Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway 15.
Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Catabolism 18. Amino Acid
Oxidation and the Production of Urea 19. Oxidative Phosphorylation and Photophosphorylation
Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Plants and Bacteria 21. Lipid Biosynthesis
22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulation and
Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Metabolism 26. RNA
Metabolism 27. Protein Metabolism 28. Regulation of Gene Expression
,1. In a bacterial cell, the DNA is in the:
A) cell envelope.
B) cell membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
development of:
A) DNA.
B) photosynthetic capability.
C) plasma membranes.
D) ribosomes.
E) the nucleus.
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
A) cell membrane.
B) nuclear envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
biomolecules necessary for function, and on the upper end by the rate of diffusion of
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
diameters in the range of:
A) 0.1 m to 10 m.
B) 0.3 m to 30 m.
C) 0.3 m to 100 m.
D) 1 m to 100 m.
E) 1 m to 300 m.
5. Which group of single-celled microorganisms has many members found growing in
extreme environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
Page 1
, 6. The/bacterium/E./coli/requires/simple/organic/molecules/for/growth/and/energy—
it/is/therefore/a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which/is/a/list/of/organelles?
A) mitochondria,/chromatin,/endoplasmic/reticulum
B) peroxisomes,/lysosomes,/plasma/membrane
C) proteasomes,/peroxisomes,/lysosomes
D) mitochondria,/endoplasmic/reticulum,/peroxisomes
E) All/of/the/answers/are/correct.
8. Which/list/has/the/cellular/components/arranged/in/order/of/INCREASING/size?
A) amino/acid/</protein/</mitochondrion/</ribosome
B) amino/acid/</protein/</ribosome/</mitochondrion
C) amino/acid/</ribosome/</protein/</mitochondrion
D) protein/</amino/acid/</mitochondrion/</ribosome
E) protein/</ribosome/</mitochondrion/</amino/acid
9. The/three-
dimensional/structure/of/macromolecules/is/formed/and/maintained/primarily/through/no
ncovalent/interactions./ Which/one/of/the/following/is/NOT/considered/a/noncovalent/int
eraction?
A) carbon-carbon/bonds
B) hydrogen/bonds
C) hydrophobic/interactions
D) ionic/interactions
E) van/der/Waals/interactions
10. Which/element/is/NOT/among/the/four/most/abundant/in/living/organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page/2
, 11. The/four/covalent/bonds/in/methane/(CH4)/are/arranged/around/carbon/to/give/which/g
eometry?
A) linear
B) tetrahedral
C) trigonal/bipyramidal
D) trigonal/planar
E) trigonal/pyramidal
12. What/functional/groups/are/present/on/this/molecule?
A) ether/and/aldehyde
B) hydroxyl/and/aldehyde
C) hydroxyl/and/carboxylic/acid
D) hydroxyl/and/ester
E) hydroxyl/and/ketone
13. The/macromolecules/that/serve/in/the/storage/and/transmission/of/genetic/information/ar
e:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic/acids.
E) proteins.
14. Stereoisomers/that/are/nonsuperimposable/mirror/images/of/each/other/are/known/as:
A) anomers.
B) cis-trans/isomers.
C) diastereoisomers.
D) enantiomers.
E) geometric/isomers.
15. The/catalog/of/all/proteins/functioning/in/a/cell/is/the:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
Page/3
Nelson Test Bank
Table Of Contents
Table of Contents 1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, and
Proteins 4. The Three-Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-Based Information
Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 13. Bioenergetics and
Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway 15.
Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Catabolism 18. Amino Acid
Oxidation and the Production of Urea 19. Oxidative Phosphorylation and Photophosphorylation
Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Plants and Bacteria 21. Lipid Biosynthesis
22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulation and
Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Metabolism 26. RNA
Metabolism 27. Protein Metabolism 28. Regulation of Gene Expression
,1. In a bacterial cell, the DNA is in the:
A) cell envelope.
B) cell membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
development of:
A) DNA.
B) photosynthetic capability.
C) plasma membranes.
D) ribosomes.
E) the nucleus.
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
A) cell membrane.
B) nuclear envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
biomolecules necessary for function, and on the upper end by the rate of diffusion of
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
diameters in the range of:
A) 0.1 m to 10 m.
B) 0.3 m to 30 m.
C) 0.3 m to 100 m.
D) 1 m to 100 m.
E) 1 m to 300 m.
5. Which group of single-celled microorganisms has many members found growing in
extreme environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
Page 1
, 6. The/bacterium/E./coli/requires/simple/organic/molecules/for/growth/and/energy—
it/is/therefore/a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which/is/a/list/of/organelles?
A) mitochondria,/chromatin,/endoplasmic/reticulum
B) peroxisomes,/lysosomes,/plasma/membrane
C) proteasomes,/peroxisomes,/lysosomes
D) mitochondria,/endoplasmic/reticulum,/peroxisomes
E) All/of/the/answers/are/correct.
8. Which/list/has/the/cellular/components/arranged/in/order/of/INCREASING/size?
A) amino/acid/</protein/</mitochondrion/</ribosome
B) amino/acid/</protein/</ribosome/</mitochondrion
C) amino/acid/</ribosome/</protein/</mitochondrion
D) protein/</amino/acid/</mitochondrion/</ribosome
E) protein/</ribosome/</mitochondrion/</amino/acid
9. The/three-
dimensional/structure/of/macromolecules/is/formed/and/maintained/primarily/through/no
ncovalent/interactions./ Which/one/of/the/following/is/NOT/considered/a/noncovalent/int
eraction?
A) carbon-carbon/bonds
B) hydrogen/bonds
C) hydrophobic/interactions
D) ionic/interactions
E) van/der/Waals/interactions
10. Which/element/is/NOT/among/the/four/most/abundant/in/living/organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page/2
, 11. The/four/covalent/bonds/in/methane/(CH4)/are/arranged/around/carbon/to/give/which/g
eometry?
A) linear
B) tetrahedral
C) trigonal/bipyramidal
D) trigonal/planar
E) trigonal/pyramidal
12. What/functional/groups/are/present/on/this/molecule?
A) ether/and/aldehyde
B) hydroxyl/and/aldehyde
C) hydroxyl/and/carboxylic/acid
D) hydroxyl/and/ester
E) hydroxyl/and/ketone
13. The/macromolecules/that/serve/in/the/storage/and/transmission/of/genetic/information/ar
e:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic/acids.
E) proteins.
14. Stereoisomers/that/are/nonsuperimposable/mirror/images/of/each/other/are/known/as:
A) anomers.
B) cis-trans/isomers.
C) diastereoisomers.
D) enantiomers.
E) geometric/isomers.
15. The/catalog/of/all/proteins/functioning/in/a/cell/is/the:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
Page/3
