5th Edition
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TEST BANK
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Laurence Moran
Robert Horton
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Gray Scrimgeour
Marc Perry
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Comprehensive Test Bank for Instructors and
Students
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© Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry.
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All rights reserved. Reproduction or distribution without permission is prohibited.
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© Successhands
, Test Bank for Principles of Biochemistry (5th Edition)
Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
ISBN: 9780321707338
Chapter 1. Introduction to Biochemistry
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Chapter 2. Water
Chapter 3. Amino Acids and the Primary Structures of Proteins
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Chapter 4. Proteins: Three-Dimensional Structure and Function
Chapter 5. Properties of Enzymes
Chapter 6. Mechanisms of Enzymes
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Chapter 7. Coenzymes and Vitamins
Chapter 8. Carbohydrates
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Chapter 9. Lipids and Membranes
Chapter 10. Introduction to Metabolism
Chapter 11. Glycolysis
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Chapter 12. Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism
Chapter 13. The Citric Acid Cycle
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Chapter 14. Electron Transport and Oxidative Phosphorylation
Chapter 15. Photosynthesis
Chapter 16. Lipid Metabolism
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Chapter 17. Amino Acid Metabolism
Chapter 18. Nucleotide Metabolism
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Chapter 19. Nucleic Acids
Chapter 20. DNA Replication, Repair, and Recombination
Chapter 21. Transcription and RNA Processing
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Chapter 22. Protein Synthesis
Chapter 23. Recombinant DNA Technology
© Successhands
, Chapter 1 Introduction to Biochemistry
1) Which elements account for more than 97% of the weight of most organisms?
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A) C, H, N, Mg, O, S
B) C, H, N, O, P, S
C) C, H, N
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D) Fe, C, H, O, P
E) Ca2+, K+, Na+, Mg2+, Cl-
Answer: B
Page Ref: Section 2
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2) Proteins in biological membranes may be
A) porous.
B) attached to the membrane surface.
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C) span the membrane.
D) All of the above
E) B and C only
Answer: D
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Page Ref: Section 3
3) Which statement about cellulose is false?
A) It is the most abundant polysaccharide in nature.
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B) Its monomers are joined by glycosidic bonds.
C) It is present in the stems of flowering plants.
D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insoluble
fibers.
E) It is a branched polymer of glucose.
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Answer: E
Page Ref: Section 3
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, 4) When Keq of a reaction = 1, then
A) the forward reaction is faster than the reverse reaction.
B) the reverse reaction is faster than the forward reaction.
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C) the forward and reverse reaction rate constants are equal.
D) more products are formed than reactants.
E) fewer products are formed than reactants.
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Answer: C
Page Ref: Section 4
5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
A) The forward rate constant is 1000 times greater than the reverse rate constant.
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B) The forward rate constant is 3 times greater than reverse rate constant.
C) The forward rate constant is 1000 times smaller than the reverse rate constant.
D) The forward rate constant is 3 times smaller than the reverse rate constant.
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E) There is not enough information given to compare the forward and reverse rate constants.
Answer: A
Page Ref: Section 4
6) The study of the energy changes during metabolic reactions is called .
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A) bioinformatics
B) metabodynamics
C) thermometrics
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D) bioenergetics
E) biological heat dynamics
Answer: D
Page Ref: Section 4
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7) A spontaneous chemical reaction always has a change.
A) positive Gibbʹs free energy
B) negative Gibbʹs free energy
C) positive enthalpy
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D) negative enthalpy
E) positive entropy
Answer: B
Page Ref: Section 4
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