TEST BANK for Lehninger Principles of Biochemistry, 8th Edition by David Nelson; Michael Cox (All Chapters 1-28)

,Table Of Contents:
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1. The Foundations of
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Biochemistry I STRUCTURE
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AND CATALYSIS
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2. Water, the Solvent of Life
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3. Amino Acids, Peptides, and Proteins
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4. The Three-Dimensional Structure of Proteins
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5. Protein Function bnbn



6. Enzymes
7. Carbohydrates and Glycobiology bnbn bnbn



8. Nucleotides and Nucleic Acids bnbn bnbn bnbn



9. DNA-Based Information Technologies bnbn bnbn



10. Lipids
11. Biological Membranes and Transport bnbn bnbn bnbn



12. Biochemical Signaling bnbn



II BIOENERGETICS AND METABOLISM
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13. Introduction to Metabolism bnbn bnbn



14. Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway
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15. The Metabolism of Glycogen in Animals
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16. The Citric Acid Cycle
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17. Fatty Acid Catabolism bnbn bnbn



18. Amino Acid Oxidation and the Production of Urea
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19. Oxidative Phosphorylation bnbn



20. Photosynthesis and Carbohydrate Synthesis in Plants bnbn bnbn bnbn bnbn bnbn



21. Lipid Biosynthesis bnbn



22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules
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23. Hormonal Regulation and Integration of Mammalian
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Metabolism III INFORMATION PATHWAYS
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24. Genes and Chromosomes bnbn bnbn



25. DNA Metabolism bnbn



26. RNA Metabolism bnbn



27. Protein Metabolism bnbn



28. Regulation of Gene Expression bnbn bnbn bnbn

,1. In a bacterial cell, the DNA is in
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the:
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A) cell envelope. bnbn


B) cell membrane. bnbn


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


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


C) plasma membranes. bnbn


D) ribosomes.
E) the nucleus. t




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


B) nuclear envelope. t


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


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


B) 0.3 m to 30 bnbn bnbn bnbn


m. bnbn


C) 0.3 m to 100 m. t t t t


D) 1 m to 100 m. bnbn bnbn bnbn bnbn


E) 1 m to 300 m. bnbn bnbn bnbn bnbn




5. Which group of single-celled microorganisms has manymembers found
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growing in extreme environments?
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A) bacteria
B) archaea
C) eukaryotes




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, 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
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energyóit is 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 bnbn bn bn


reticulum
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B) peroxisomes, lysosomes, plasma membrane bnbn bn bn bnbn


C) proteasomes, peroxisomes, lysosomes bnbn bnbn


D) mitochondria, endoplasmic reticulum, peroxisomes t t t


E) All of the answers are correct.
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8. Which list has the cellular components arranged in order of
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INCREASING size?
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A) amino acid < protein < mitochondrion < ribosome
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B) amino acid < protein < ribosome < mitochondrion
t t t t t t t


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
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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 t


B) hydrogen bonds bnbn


C) hydrophobic interactions bnbn


D) ionic interactions bnbn


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




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