Test Bank - Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2018) Chapter 1-28 | All Chapters

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Lehninger Principles of Biochemistry 7th Edition N qw qw qw qw qw qw




elson Test Bank qw qw




Table Of Contents qw qw




Table of Contents qw qw


1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides,
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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. Biosignalin
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g 13. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pen
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tose Phosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fat
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ty Acid Catabolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phospho
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rylation and Photophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Pl
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ants 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 qw qw bacterial cell, the DNA is in the:
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A) cell envelope.
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B) cell membrane.
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C) nucleoid.
D) nucleus.
E) ribosomes.


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


C) plasma membranes. qw


D) ribosomes.
E) the nucleus. qw




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


B) nuclear envelope. qw


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


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


B) 0.3 m to 30 m. qw qw qw qw


C) 0.3 m to 100 m. qw qw qw qw


D) 1 m to 100 m. qw qw qw qw


E) 1 m to 300 m. qw qw qw qw




5. Which group of single-
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celled microorganisms has many members found growing in extreme environme
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nts?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct. qw qw qw qw qw




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6. The qw bacterium E. coli requires simple organic molecules for growth and energy—
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it is
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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 qw qw qw


B) peroxisomes, lysosomes, plasma membrane qw qw qw


C) proteasomes, peroxisomes, lysosomes qw qw


D) mitochondria, endoplasmic reticulum, peroxisomes qw qw qw


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 throug
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h noncovalent interactions. Which one of the following is NOT considered a nonc
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ovalent interaction?
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A) carbon-carbon bonds qw


B) hydrogen bonds qw


C) hydrophobic interactions qw


D) ionic interactions qw


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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