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

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Table Of Contents
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Table of Contents
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1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, an
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d 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-
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Based Information Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 1
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3. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose P
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hosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Cat
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abolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phosphorylation and Ph
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otophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Plants and Bacteria
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21. Lipid Biosynthesis
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22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulation
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!and 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. V!


B) cell membrane. V!


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


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


C) plasma membranes. V!


D) ribosomes.
E) the nucleus. V!




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


B) nuclear envelope. V!


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


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


B) 0.3 m to 30 m. V! V! V! V!


C) 0.3 m to 100 m. V! V! V! V!


D) 1 m to 100 m. V! V! V! V!


E) 1 m to 300 m. V! V! V! V!




5. Which group of single-V! V! V!


celled microorganisms has many members found growing in extreme environmen
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ts?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct. V! V! V! V! V!




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


B) peroxisomes, lysosomes, plasma membrane V! V! V!


C) proteasomes, peroxisomes, lysosomes V! V!


D) mitochondria, endoplasmic reticulum, peroxisomes V! V! V!


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 through
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!noncovalent interactions. Which one of the following is NOT considered a noncova
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lent interaction?
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A) carbon-carbon bonds V!


B) hydrogen bonds V!


C) hydrophobic interactions V!


D) ionic interactions V!


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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