Lehninger Principles of Biochemistry
DAVID NELSON, MICHAEL COX
Eighth Edition
,TABLE OF CONTENTS
Chapter 1 – The Foundations of Biochemistry
A
Chapter 2 – Water
A
Chapter 3 – Amino Acids, Peptides, and Proteins
Chapter 4 – The Three-Dimensional Structure of Proteins
A
Chapter 5 – Protein Function
A
Chapter 6 – Enzymes
Chapter 7 – Carbohydrates and Glycobiology
A
Chapter 8 – Nucleotides and Nucleic Acids
A
Chapter 9 – DNA-Based Information Technologies
Chapter 10 – Lipids
A
Chapter 11 – Biological Membranes and Transport
A
Chapter 12 – Biosignaling
Chapter 13 – Principles of Bioenergetics
A
Chapter 14 – Glycolysis, Gluconeogenesis, and the Pentose Phosphate
A
Pathway
, Chapter 1 The Foundations of Biochemistry
Multiple Choice Questions
1. Cellular foundations
Pages: 2-4
Difficulty:
1 Ans:AC
In a bacterial cell, the DNA is in the:
A) cell envelope.
B) cell membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Cellular foundations
Page: 3 Difficulty: 1
Ans: E
A major change occurring in the evolution of eukaryotes from prokaryotes was the development
of:
A) DNA.
B) photosynthetic capability.
C) plasma membranes.
D) ribosomes.
E) the nucleus.
3. Cellular foundations
Page: 3 Difficulty: 1
Ans: B
In eukaryotes, the nucleus is enclosed by a double membrane called the:
A) cell membrane.
B) nuclear envelope.
A
, C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Cellular foundations
Page: 4 Difficulty: 1
Ans: C
The dimensions of living cells are limited, on the lower end by the minimum number of
biomolec ules necessary for function, and on the upper end byAthe rate of diffusion of
solutes such as oxy gen.
Except for highly elongated cells, they usually have lengths and diameters in the range of:
A) 0.1 to 10
B) 0.3 toA30
C) 0.3 to 100A
D) 1 to 100
E) 1 to 300A
5. Cellular foundations
Page: 4 Difficulty: 2
Ans: B
Which group of single-celled micro-
organisms has many members found growing in extreme environments?
A) bacteria.
B) archaea.
C) eukaryotes.
D) heterotrophs.
E) none of the above.
6. Cellular foundations
Page: 5 Difficulty: 2
Ans: B
The bacterium E. coli requires simple organic molecules forAgrowth and energy—it is therefore a:
F) chemoautotroph.
G) chemoheterotroph.
H) lithotroph.