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
sl Introduction to Biochemistry sl sl 1
Chapter 2
sl Water 10
Chapter 3
sl Amino Acids and the Primary Structures of Proteins
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Chapter 4
sl Proteins: Three-Dimensional Structure and Function
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Chapter 5
sl Properties of Enzymes sl sl 65
Chapter 6
sl Mechanisms of Enzymes sl sl 85
Chapter 7
sl Coenzymes and Vitamins sl sl 104
Chapter 8
sl Carbohydrates 119
Chapter 9
sl Lipids and Membranes
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Chapter 10
sl Introduction to Metabolism sl sl 153
Chapter 11
sl Glycolysis 169
Chapter 12
sl Gluconeogenesis, The Pentose Phosphate Pathway, sl sl sl sl
and Glycogen Metabolism
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Chapter 13
sl The Citric Acid Cycle
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Chapter 14
sl Electron Transport and Oxidative Phosphorylation
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Chapter 15
sl Photosynthesis 227
Chapter 16
sl Lipid Metabolism
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Chapter 17
sl Amino Acid Metabolism
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Chapter 18
sl Nucleotide Metabolism sl 269
Chapter 19
sl Nucleic Acids sl 284
Chapter 20
sl DNA Replication, Repair, and Recombination
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Chapter 21
sl Transcription and RNA Processing sl sl sl 315
Chapter 22
sl Protein Synthesis sl 330
Chapter 23
sl Recombinant DNA Technology sl sl 348
,Chapter1 IntroductiontoBiochemistry
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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 s l sl
D) Fe, C, H, O, Ps l s l sl s l
E) Ca2+, K+, Na+, Mg2+, Cl- sl sl s l s l
Answer: B s 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. s l sl sl s l
C) span the membrane. s l s l
D) All of the above
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E) B and C only
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Answer: D s l
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, insol u
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ble fibers. s l
E) It is a branched polymer of glucose.
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Answer: E s 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 s l
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 s l
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 s l s l
Answer: D s l
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 s l sl s l
B) negative Gibbʹs free energy s l sl s l
C) positive enthalpy sl
D) negative enthalpy sl
E) positive entropy sl
Answer: B s l
Page Ref: Section 4
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