Exam Questions Principles Of Biochemistry
5th Edition By Horton ( CH 1 TO 22)
,TABLES OF CONTENTS
1 Introduction to Biochemistry.
2 Water
3 Amino Acids and the Primary. Structures of Proteins
4 Proteins: Three-Dimensional Structure and Function
5 Properties of Enzy.mes
6 Mechanisms of Enzy.mes
7 Coenzy.mes and Vitamins
8 Carbohy.drates
9 Lipids and Membranes
10 Introduction to Metabolism
11 Gly.coly.sis
12 Gluconeogenesis, the Pentose Phosphate Pathway., and Gly.cogen Metabolism
13 The Citric Acid Cy.cle
14 Electron Transport and ATP Sy.nthesis
15 Photosy.nthesis
16 Lipid Metabolism
17 Amino Acid Metabolism
18 Nucleotide Metabolism
19 Nucleic Acids
21 Transcription and RNA Processing
22 Protein Sy.nthesis
Chapter 1 Introduction to Biochemistry.
,Horton: Principles Of Biochemistry. 5th Edition
1) Wohler showed that a chemical found only. in living organisms can be made
from inorganic substances when he sy.nthesized .
A) Ammonium cy.anate
B) Amino acids
C) Urea
D) Uric
acid
Answer:
C
Page Ref: Section 1-1
2) The lock-and-key. theory. described the action of
A) enzy.mes as key.s that fit different chemicals.
B) substrates as key.s that fit different enzy.mes.
C) enzy.mes as locks that fit other enzy.mes.
D) substrates as locks that fit different
enzy.mes. Answer: B
Page Ref: Section 1-1
3) According to Crick's Central Dogma of molecular Biology., there can be NO
transfer of information from
A) DNA to RNA.
B) RNA to RNA.
C) RNA to protein.
D) protein to
RNA. Answer:
D
Page Ref: Section 1-1
4) What is the correct order in which these key. breakthroughs in biochemistry.
occurred?
I. Watson and Crick DNA structure
II. Crick Central dogma
III. Avery., MacLeod and McCarty. DNA work on Streptococcus
IV. Widespread use of computers
A) I, II, III, IV
B) III, I, II, IV
C) II, I, III, IV
D) IV, III, I,
II Answer:
B
Page Ref: Section 1-1
, 5) 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) Ca2+, K+, Na+, Mg2+,
Cl- Answer: B
Page Ref: Section 1-2
6) Which linkage(s) occur extensively. in nucleotides?
A) Amide.
B) Phosphoanhy.dride.
C) Phosphate ester.
D) Ether.
E) Both B and C
above. Answer: E
Page Ref: Section 1-2
7) Which functional group is shown?
A) Primary. amine.
B) Acy.l.
C) Amide.
D) Anhy.dride.
E) Nitrile.
Answer:
C
Page Ref: Section 1-2
8) 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 1-3
5th Edition By Horton ( CH 1 TO 22)
,TABLES OF CONTENTS
1 Introduction to Biochemistry.
2 Water
3 Amino Acids and the Primary. Structures of Proteins
4 Proteins: Three-Dimensional Structure and Function
5 Properties of Enzy.mes
6 Mechanisms of Enzy.mes
7 Coenzy.mes and Vitamins
8 Carbohy.drates
9 Lipids and Membranes
10 Introduction to Metabolism
11 Gly.coly.sis
12 Gluconeogenesis, the Pentose Phosphate Pathway., and Gly.cogen Metabolism
13 The Citric Acid Cy.cle
14 Electron Transport and ATP Sy.nthesis
15 Photosy.nthesis
16 Lipid Metabolism
17 Amino Acid Metabolism
18 Nucleotide Metabolism
19 Nucleic Acids
21 Transcription and RNA Processing
22 Protein Sy.nthesis
Chapter 1 Introduction to Biochemistry.
,Horton: Principles Of Biochemistry. 5th Edition
1) Wohler showed that a chemical found only. in living organisms can be made
from inorganic substances when he sy.nthesized .
A) Ammonium cy.anate
B) Amino acids
C) Urea
D) Uric
acid
Answer:
C
Page Ref: Section 1-1
2) The lock-and-key. theory. described the action of
A) enzy.mes as key.s that fit different chemicals.
B) substrates as key.s that fit different enzy.mes.
C) enzy.mes as locks that fit other enzy.mes.
D) substrates as locks that fit different
enzy.mes. Answer: B
Page Ref: Section 1-1
3) According to Crick's Central Dogma of molecular Biology., there can be NO
transfer of information from
A) DNA to RNA.
B) RNA to RNA.
C) RNA to protein.
D) protein to
RNA. Answer:
D
Page Ref: Section 1-1
4) What is the correct order in which these key. breakthroughs in biochemistry.
occurred?
I. Watson and Crick DNA structure
II. Crick Central dogma
III. Avery., MacLeod and McCarty. DNA work on Streptococcus
IV. Widespread use of computers
A) I, II, III, IV
B) III, I, II, IV
C) II, I, III, IV
D) IV, III, I,
II Answer:
B
Page Ref: Section 1-1
, 5) 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) Ca2+, K+, Na+, Mg2+,
Cl- Answer: B
Page Ref: Section 1-2
6) Which linkage(s) occur extensively. in nucleotides?
A) Amide.
B) Phosphoanhy.dride.
C) Phosphate ester.
D) Ether.
E) Both B and C
above. Answer: E
Page Ref: Section 1-2
7) Which functional group is shown?
A) Primary. amine.
B) Acy.l.
C) Amide.
D) Anhy.dride.
E) Nitrile.
Answer:
C
Page Ref: Section 1-2
8) 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 1-3
