PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
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Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
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,Principles of Biochemistry, 5th Edition Test Bank By: Moran, Horton, Scrimgeour, Perry
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Contents:
Chapter 1
M Introduction to Biochemistry M M 1
Chapter 2
M Water 10
Chapter 3
M Amino Acids and the Primary Structures of Proteins
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Chapter 4
M Proteins: Three-Dimensional Structure and Function
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Chapter 5
M Properties of Enzymes M M 65
Chapter 6
M Mechanisms of Enzymes M M 85
Chapter 7
M Coenzymes and Vitamins M M 104
Chapter 8
M Carbohydrates 119
Chapter 9
M Lipids and Membranes
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Chapter 10
M Introduction to Metabolism M M 153
Chapter 11
M Glycolysis 169
Chapter 12
M Gluconeogenesis, The Pentose Phosphate Pathway, M M M M
and Glycogen Metabolism
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Chapter 13
M The Citric Acid Cycle
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Chapter 14
M Electron Transport and Oxidative Phosphorylation
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Chapter 15
M Photosynthesis 227
Chapter 16
M Lipid Metabolism
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Chapter 17
M Amino Acid Metabolism
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Chapter 18
M Nucleotide Metabolism M 269
Chapter 19
M Nucleic Acids M 284
Chapter 20
M DNA Replication, Repair, and Recombination
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Chapter 21
M Transcription and RNA Processing M M M 315
Chapter 22
M Protein Synthesis
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Chapter 23
M Recombinant DNA Technology M M 348
,Chapter 1 Introduction to Biochemistry
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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
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B) C, H, N, O, P, S
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C) C, H, N M M
D) Fe, C, H, O, P M M M M
E) Ca2+, K+, Na+, Mg2+, Cl- M M M M
Answer: B M
Page Ref: Section 2
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2) Proteins in biological membranes may be
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A) porous.
B) attached to the membrane surface. M M M M
C) span the membrane. M M
D) All of the above M M M
E) B and C only
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Answer: D M
Page Ref: Section 3
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3) Which statement about cellulose is false?
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A) It is the most abundant polysaccharide in nature.
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B) Its monomers are joined by glycosidic bonds.
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C) It is present in the stems of flowering plants.
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D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insoluble
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fibers.
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E) It is a branched polymer of glucose.
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Answer: E M
Page Ref: Section 3
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, 4) When Keq of a reaction = 1, then
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A) the forward reaction is faster than the reverse reaction.
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B) the reverse reaction is faster than the forward reaction.
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C) the forward and reverse reaction rate constants are equal.
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D) more products are formed than reactants.
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E) fewer products are formed than reactants.
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Answer: C M
Page Ref: Section 4
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5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
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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.
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C) The forward rate constant is 1000 times smaller than the reverse rate constant.
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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.
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Answer: A M
Page Ref: Section 4
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6) The study of the energy changes during metabolic reactions is called
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A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics M M
Answer: D M
Page Ref: Section 4
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7) A spontaneous chemical reaction always has a
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A) positive Gibbʹs free energy M M M
B) negative Gibbʹs free energy M M M
C) positive enthalpy M
D) negative enthalpy M
E) positive entropy M
Answer: B M
Page Ref: Section 4
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