Test Bank for Lehninger Principles of Biochemistry 7th Edition by Nelson (complete, questions/answers/rationales) | Lehninger Principles of Biochemistry 7th Edition Nelson Test Bank Latest Update 2024

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Lehninger Principles of Biochemistry 7th Edition g g g g g




Nelson Test Bank
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Table Of Contents
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Table of Contents
g g 1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, and
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Proteins 4. The Three-Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
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Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-Based Information
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Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 13. Bioenergetics and
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Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway 15.
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Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Catabolism 18. Amino Acid
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Oxidation and the Production of Urea 19. Oxidative Phosphorylation and Photophosphorylation
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Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Plants and Bacteria 21. Lipid Biosynthesis
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22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulation
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gand Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Metabolism
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26. RNAMetabolism 27. Protein Metabolism 28. Regulation of Gene Expression
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1. In a bacterial cell, the DNA is in the:
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A) cell envelope. g


B) cell membrane. g


C) nucleoid.
D) nucleus.
E) ribosomes.


2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
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development of:
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A) DNA.
B) photosynthetic capability. g


C) plasma membranes. g


D) ribosomes.
E) the nucleus. g




3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
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A) cell membrane. g


B) nuclear envelope. g


C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. The dimensions of living cells are limited, on the lower end by the minimum number of
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biomolecules necessary for function, and on the upper end by the rate of diffusion of
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solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
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diameters in the range of:
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A) 0.1 m to 10 m. g g g g


B) 0.3 m to 30 m. g g g g


C) 0.3 m to 100 m. g g g g


D) 1 m to 100 m.
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E) 1 m to 300 m.
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5. Which group of single-celled microorganisms has many members found growing in
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extreme environments?
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A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
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6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
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therefore a:
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A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Which is a list of organelles?
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A) mitochondria, chromatin, endoplasmic reticulum g g g


B) peroxisomes, lysosomes, plasma membrane g g g


C) proteasomes, peroxisomes, lysosomes g g


D) mitochondria, endoplasmic reticulum, peroxisomes g g g


E) All of the answers are correct.
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8. Which list has the cellular components arranged in order of INCREASING size?
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A) amino acid < protein < mitochondrion < ribosome
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B) amino acid < protein < ribosome < mitochondrion
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C) amino acid < ribosome < protein < mitochondrion
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D) protein < amino acid < mitochondrion < ribosome
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E) protein < ribosome < mitochondrion < amino acid
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9. The three-dimensional structure of macromolecules is formed and maintained primarily
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through noncovalent interactions. Which one of the following is NOT considered a
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noncovalent interaction?
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A) carbon-carbon bonds g


B) hydrogen bonds g


C) hydrophobic interactions g


D) ionic interactions g


E) van der Waals interactions
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10. Which element is NOT among the four most abundant in living organisms?
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A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus




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11. The four covalent bonds in methane (CH4) are arranged around carbon to give which
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geometry?
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A) linear
B) tetrahedral
C) trigonal bipyramidal g


D) trigonal planar g


E) trigonal pyramidal g




12. What functional groups are present on this molecule?
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A) ether and aldehyde
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B) hydroxyl and aldehyde g g


C) hydroxyl and carboxylic acidg g g


D) hydroxyl and ester g g


E) hydroxyl and ketone g g




13. The macromolecules that serve in the storage and transmission of genetic information
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are:
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A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. g


E) proteins.


14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
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A) anomers.
B) cis-trans isomers. g


C) diastereoisomers.
D) enantiomers.
E) geometric isomers. g




15. The catalog of all proteins functioning in a cell is the:
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A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.



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