,Lehninger Principles of Biochemistry 8th Edition Ne C/ C/ C/ C/ C/ C/
lson Test Bank C/ C/
Table Of Contents C/ C/
Table of Contents C/ C/
1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, a
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
nd Proteins 4. The Three-Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-
C/ C/ C/ C/ C/ C/ C/ C/ C/
Based Information Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 1
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
3. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose P
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
hosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Ca
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
tabolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phosphorylation and P
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
hotophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Plants and Bacteria
C/ C/ C/ C/ C/ C/ C/ C/ C/
21. Lipid Biosynthesis
C/ C/ C/
22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulation
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C
/and Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Metabolism
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C
26. RNAMetabolism 27. Protein Metabolism 28. Regulation of Gene Expression
/ C/ C/ C/ C/ C/ C/ C/ C/ C/
Page 1 of 648 C/ C/ C/
,1
1. In a bacterial cell, the DNA is in the:
C/ C/ C/ C/ C/ C/ C/ C/
A) cell envelope. C/
B) cell membrane. C/
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was th
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
e development of:
C/ C/
A) DNA.
B) photosynthetic capability. C/
C) plasma membranes. C/
D) ribosomes.
E) the nucleus. C/
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
A) cell membrane. C/
B) nuclear envelope. C/
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
of biomolecules necessary for function, and on the upper end by the rate of diffusion
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
of solutes such as oxygen. Except for highly elongated cells, they usually have lengths
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C
and diameters in the range of:
/ C/ C/ C/ C/ C/
A) 0.1 m to 10 m. C/ C/ C/ C/
B) 0.3 m to 30 m. C/ C/ C/ C/
C) 0.3 m to 100 m. C/ C/ C/ C/
D) 1 m to 100 m. C/ C/ C/ C/
E) 1 m to 300 m. C/ C/ C/ C/
5. Which group of single-
C/ C/ C/
celled microorganisms has many members found growing in extreme environment
C/ C/ C/ C/ C/ C/ C/ C/ C/
s?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
C/ C/ C/ C/ C/
Page 1 C/
, 2
6. The bacterium E. coli requires simple organic molecules for growth and energy—
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
it is therefore a:
C/ C/ C/
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
C/ C/ C/ C/ C/
A) mitochondria, chromatin, endoplasmic reticulum C/ C/ C/
B) peroxisomes, lysosomes, plasma membrane C/ C/ C/
C) proteasomes, peroxisomes, lysosomes C/ C/
D) mitochondria, endoplasmic reticulum, peroxisomes C/ C/ C/
E) All of the answers are correct.
C/ C/ C/ C/ C/
8. Which list has the cellular components arranged in order of INCREASING size?
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
A) amino acid < protein < mitochondrion < ribosome
C/ C/ C/ C/ C/ C/ C/
B) amino acid < protein < ribosome < mitochondrion
C/ C/ C/ C/ C/ C/ C/
C) amino acid < ribosome < protein < mitochondrion
C/ C/ C/ C/ C/ C/ C/
D) protein < amino acid < mitochondrion < ribosome
C/ C/ C/ C/ C/ C/ C/
E) protein < ribosome < mitochondrion < amino acid
C/ C/ C/ C/ C/ C/ C/
9. The three-
C/
dimensional structure of macromolecules is formed and maintained primarily through
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
noncovalent interactions. Which one of the following is NOT considered a noncovale
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
nt interaction?
C/
A) carbon-carbon bonds C/
B) hydrogen bonds C/
C) hydrophobic interactions C/
D) ionic interactions C/
E) van der Waals interactions
C/ C/ C/
10. Which element is NOT among the four most abundant in living organisms?
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page 2 C/
lson Test Bank C/ C/
Table Of Contents C/ C/
Table of Contents C/ C/
1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, a
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
nd Proteins 4. The Three-Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-
C/ C/ C/ C/ C/ C/ C/ C/ C/
Based Information Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignaling 1
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
3. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the Pentose P
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
hosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17. Fatty Acid Ca
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
tabolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phosphorylation and P
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
hotophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis in Plants and Bacteria
C/ C/ C/ C/ C/ C/ C/ C/ C/
21. Lipid Biosynthesis
C/ C/ C/
22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulation
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C
/and Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Metabolism
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C
26. RNAMetabolism 27. Protein Metabolism 28. Regulation of Gene Expression
/ C/ C/ C/ C/ C/ C/ C/ C/ C/
Page 1 of 648 C/ C/ C/
,1
1. In a bacterial cell, the DNA is in the:
C/ C/ C/ C/ C/ C/ C/ C/
A) cell envelope. C/
B) cell membrane. C/
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was th
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
e development of:
C/ C/
A) DNA.
B) photosynthetic capability. C/
C) plasma membranes. C/
D) ribosomes.
E) the nucleus. C/
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
A) cell membrane. C/
B) nuclear envelope. C/
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
of biomolecules necessary for function, and on the upper end by the rate of diffusion
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
of solutes such as oxygen. Except for highly elongated cells, they usually have lengths
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C
and diameters in the range of:
/ C/ C/ C/ C/ C/
A) 0.1 m to 10 m. C/ C/ C/ C/
B) 0.3 m to 30 m. C/ C/ C/ C/
C) 0.3 m to 100 m. C/ C/ C/ C/
D) 1 m to 100 m. C/ C/ C/ C/
E) 1 m to 300 m. C/ C/ C/ C/
5. Which group of single-
C/ C/ C/
celled microorganisms has many members found growing in extreme environment
C/ C/ C/ C/ C/ C/ C/ C/ C/
s?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
C/ C/ C/ C/ C/
Page 1 C/
, 2
6. The bacterium E. coli requires simple organic molecules for growth and energy—
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
it is therefore a:
C/ C/ C/
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
C/ C/ C/ C/ C/
A) mitochondria, chromatin, endoplasmic reticulum C/ C/ C/
B) peroxisomes, lysosomes, plasma membrane C/ C/ C/
C) proteasomes, peroxisomes, lysosomes C/ C/
D) mitochondria, endoplasmic reticulum, peroxisomes C/ C/ C/
E) All of the answers are correct.
C/ C/ C/ C/ C/
8. Which list has the cellular components arranged in order of INCREASING size?
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
A) amino acid < protein < mitochondrion < ribosome
C/ C/ C/ C/ C/ C/ C/
B) amino acid < protein < ribosome < mitochondrion
C/ C/ C/ C/ C/ C/ C/
C) amino acid < ribosome < protein < mitochondrion
C/ C/ C/ C/ C/ C/ C/
D) protein < amino acid < mitochondrion < ribosome
C/ C/ C/ C/ C/ C/ C/
E) protein < ribosome < mitochondrion < amino acid
C/ C/ C/ C/ C/ C/ C/
9. The three-
C/
dimensional structure of macromolecules is formed and maintained primarily through
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
noncovalent interactions. Which one of the following is NOT considered a noncovale
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
nt interaction?
C/
A) carbon-carbon bonds C/
B) hydrogen bonds C/
C) hydrophobic interactions C/
D) ionic interactions C/
E) van der Waals interactions
C/ C/ C/
10. Which element is NOT among the four most abundant in living organisms?
C/ C/ C/ C/ C/ C/ C/ C/ C/ C/ C/
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page 2 C/