Principles of Biochemistry 5th Edition – Test Bank by Moran, Horton, Scrimgeour & Perry (2026 Update)

Principles of Biochemistry 5th Edition Test Bank by Moran, Horton, Scrimgeour & Perry _ Complete Guide 1PDF
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Principles of Biochemistry
5th Edition Test Bank by
Moran, Horton, Scrimgeour
& Perry | Complete Guide
PDF



Guidehttps://www.stuvia.com/dashboard!@_)#*)(@$)($@*($@)($@*_
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Chapter 1 Introduction to Biochemistry

1) Which elements account for more than 97% of the weight of most organisms?
A) C, H, N, Mg, O, S
B) C, H, N, O, P, S
C) C, H, N
D) Fe, C, H, O, P
E) Ca 2+, K+, Na+, Mg 2+, Cl-

Answer: B
Page Ref: Section 2

2) Proteins in biological membranes may be
A) porous.
B) attached to the membrane surface.
C) span the membrane.
D) All of the above
E) B and C only

Answer: D
Page Ref: Section 3

3) Which statement about cellulose is false?
A) It is the most abundant polysaccharide in nature.
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.

Answer: E
Page Ref: Section 3




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4) When K eq 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.
C) the forward and reverse reaction rate constants are equal.
D) more products are formed than reactants.
E) fewer products are formed than reactants.

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.
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.
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 .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics

Answer: D
Page Ref: Section 4

7) A spontaneous chemical reaction always has a change.
A) positive Gibbʹs free energy
B) negative Gibbʹs free energy
C) positive enthalpy
D) negative enthalpy
E) positive entropy

Answer: B
Page Ref: Section 4




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