Test Bank For Lehninger Principles of Biochemistry 8th Edition By David L. Nelson; Michael M. Cox | 9781319228002 | | Chapter 1-28 | All Chapters with Answers and Rationals

,Lehninger Principles of Biochemistry 8th Edition N x@ x@ x@ x@ x@ x@




elson Test Bank x@ x@




Table Of Contents
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Table of Contents
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1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptide
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s, and Proteins 4. The Three-
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Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
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Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-
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Based Information Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignali
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ng 13. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the P
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entose Phosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17.
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Fatty Acid Catabolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phos
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phorylation and Photophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis i
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n Plants and Bacteria 21. Lipid Biosynthesis
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22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulati
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on and Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Met
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abolism 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. x@


B) cell membrane. x@


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


2. A major change occurring in the evolution of eukaryotes from prokaryotes w
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as the development of:
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A) DNA.
B) photosynthetic capability. x@


C) plasma membranes. x@


D) ribosomes.
E) the nucleus. x@




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


B) nuclear envelope. x@


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


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


B) 0.3 m to 30 m. x@ x@ x@ x@


C) 0.3 m to 100 m. x@ x@ x@ x@


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-
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celled microorganisms has many members found growing in extreme environm
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ents?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
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6. The x@ bacterium E. coli requires simple organic molecules for growth and energy
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—it x@ 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 reticulum x@ x@ x@


B) peroxisomes, lysosomes, plasma membrane x@ x@ x@


C) proteasomes, peroxisomes, lysosomes x@ x@


D) mitochondria, endoplasmic reticulum, peroxisomes x@ x@ x@


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-
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dimensional structure of macromolecules is formed and maintained primarily throu
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gh noncovalent interactions. Which one of the following is NOT considered a n
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oncovalent interaction? x@


A) carbon-carbon bonds x@


B) hydrogen bonds x@


C) hydrophobic interactions x@


D) ionic interactions x@


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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