Nelson Test Bank
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Table Of Contents
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Table of Contents
x x 1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, and
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xProteins 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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xTechnologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 13. Bioenergetics and
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xBiochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway 15.
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xPrinciples of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Catabolism 18. Amino Acid
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xOxidation and the Production of Urea 19. Oxidative Phosphorylation and Photophosphorylation
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xOxidative 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
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Regulation and Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA
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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. x
B) cell membrane. x
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
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xdevelopment of: x
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 number of
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xbiomolecules necessary for function, and on the upper end by the rate of diffusion of
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xsolutes such as oxygen. Except for highly elongated cells, they usually have lengths and
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xdiameters in the range of: x x x x
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-celled microorganisms has many members found growingin
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xextreme environments? x
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct. x x x x x
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6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
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xtherefore a: x
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. Thethree-dimensional structure of macromolecules is formed and maintained primarily x x x x x x x x
xthrough noncovalent interactions. Which one of the following is NOT considered a
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xnoncovalent 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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