Principles of Biochemistry – 5th Edition (Moran, Horton, Scrimgeour & Perry) – Complete Test Bank with Exam Questions

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PRINCIPLES OFBIOCHEMISTRY5TH 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
Il` Introduction toBiochemistry Il` Il` 1
Chapter 2
Il` Water 10
Chapter 3
Il` Amino Acids and the Primary Structures of Proteins
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Chapter 4
Il` Proteins: Three-Dimensional Structure and Function
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Chapter 5
Il` Properties of Enzymes Il` Il` 65
Chapter 6
Il` Mechanisms of Enzymes Il` Il` 85
Chapter 7
Il` Coenzymes and Vitamins Il` Il` 104
Chapter 8
Il` Carbohydrates 119
Chapter 9
Il` Lipids and Membranes
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Chapter 10
Il` Introduction to Metabolism Il` Il` 153
Chapter 11
Il` Glycolysis 169
Chapter 12
Il` Gluconeogenesis, The Pentose Phosphate Pathway, Il` Il` Il` Il`




and Glycogen Metabolism
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Chapter 13
Il` The Citric Acid Cycle
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Chapter 14
Il` Electron Transport and Oxidative Phosphorylation
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Chapter 15
Il` Photosynthesis 227
Chapter 16
Il` Lipid Metabolism
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Chapter 17
Il` Amino Acid Metabolism Il` Il` 256
Chapter 18
Il` Nucleotide Metabolism Il` 269
Chapter 19
Il` Nucleic Acids Il` 284
Chapter 20
Il` DNA Replication, Repair, and Recombination
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Chapter 21
Il` Transcription and RNA Processing Il` Il` Il` 315
Chapter 22
Il` Protein Synthesis Il` 330
Chapter 23
Il` Recombinant DNA Technology Il` Il` 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 Il` Il̀ Il` Il` Il`




B) C, H, N, O, P, S Il` Il` Il` Il ` Il`




C) C, H, N Il` Il̀




D) Fe, C, H, O, P Il` Il` Il` I l`




E) Ca2+, K+, Na+, Mg2+, Cl- Il` Il` Il` Il`




Answer: B I l `




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. I l` Il` Il` Il`




C) span the membrane. Il ` I l`




D) All of the above Il` Il` Il`




E) B and C only Il` Il` Il`




Answer: D Il`




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,
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insolublefibers.
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E) It is a branched polymer of glucose.
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Answer: E I l `




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 Il`




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 Il`




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 Il` I l `




Answer: D Il`




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 Il` Il` Il`




B) negative Gibbʹs free energy Il` Il ` I l `




C) positive enthalpy I l`




D) negative enthalpy I l`




E) positive entropy Il`




Answer: B I l `




Page Ref: Section 4
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