,Lehninger Principles of Biochemistry 8th Edition N x@ x@ x@ x@ x@ x@
elson Test Bank x@ x@
Table Of Contents
x@ x@
Table of Contents
x@ x@
1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptide
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
s, and Proteins 4. The Three-
x@ x@ x@ x@ x@
Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
x@ x@ x@ x@ x@ x@ x@ x@ x@
Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-
x@ x@ x@ x@ x@ x@ x@ x@ x@
Based Information Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignali
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ng 13. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the P
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
entose Phosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
Fatty Acid Catabolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phos
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
phorylation and Photophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis i
x@ x@ x@ x@ x@ x@ x@ x@
n Plants and Bacteria 21. Lipid Biosynthesis
x@ x@ x@ x@ x@ x@
22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulati
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
on and Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Met
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
abolism 26. RNAMetabolism 27. Protein Metabolism 28. Regulation of Gene Expression
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
Page 1 of 648 x@ x@ x@
,1
1. In a bacterial cell, the DNA is in the:
x@ x@ x@ x@ x@ x@ x@ x@
A) cell envelope. x@
B) cell membrane. x@
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes w
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
as the development of:
x@ x@ x@
A) DNA.
B) photosynthetic capability. x@
C) plasma membranes. x@
D) ribosomes.
E) the nucleus. x@
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
A) cell membrane. x@
B) nuclear envelope. x@
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum nu
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
mber of biomolecules necessary for function, and on the upper end by the rate o
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
f diffusion of solutes such as oxygen. Except for highly elongated cells, they usua
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
lly have lengths and diameters in the range of:
x@ x@ x@ x@ x@ x@ x@ x@
A) 0.1 m to 10 m. x@ x@ x@ x@
B) 0.3 m to 30 m. x@ x@ x@ x@
C) 0.3 m to 100 m. x@ x@ x@ x@
D) 1 m to 100 m.
x@ x@ x@ x@
E) 1 m to 300 m.
x@ x@ x@ x@
5. Which group of single-
x@ x@ x@
celled microorganisms has many members found growing in extreme environm
x@ x@ x@ x@ x@ x@ x@ x@ x@
ents?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
x@ x@ x@ x@ x@
Page 1 x@
, 2
6. The x@ bacterium E. coli requires simple organic molecules for growth and energy
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
—it x@ is therefore a:
x@ x@
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
x@ x@ x@ x@ x@
A) mitochondria, chromatin, endoplasmic reticulum x@ x@ x@
B) peroxisomes, lysosomes, plasma membrane x@ x@ x@
C) proteasomes, peroxisomes, lysosomes x@ x@
D) mitochondria, endoplasmic reticulum, peroxisomes x@ x@ x@
E) All of the answers are correct.
x@ x@ x@ x@ x@
8. Which list has the cellular components arranged in order of INCREASING size?
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
A) amino acid < protein < mitochondrion < ribosome
x@ x@ x@ x@ x@ x@ x@
B) amino acid < protein < ribosome < mitochondrion
x@ x@ x@ x@ x@ x@ x@
C) amino acid < ribosome < protein < mitochondrion
x@ x@ x@ x@ x@ x@ x@
D) protein < amino acid < mitochondrion < ribosome
x@ x@ x@ x@ x@ x@ x@
E) protein < ribosome < mitochondrion < amino acid
x@ x@ x@ x@ x@ x@ x@
9. The three-
x@
dimensional structure of macromolecules is formed and maintained primarily throu
x@ x@ x@ x@ x@ x@ x@ x@ x@
gh noncovalent interactions. Which one of the following is NOT considered a n
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
oncovalent interaction? x@
A) carbon-carbon bonds x@
B) hydrogen bonds x@
C) hydrophobic interactions x@
D) ionic interactions x@
E) van der Waals interactions
x@ x@ x@
10. Which element is NOT among the four most abundant in living organisms?
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page 2 x@
elson Test Bank x@ x@
Table Of Contents
x@ x@
Table of Contents
x@ x@
1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptide
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
s, and Proteins 4. The Three-
x@ x@ x@ x@ x@
Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7.
x@ x@ x@ x@ x@ x@ x@ x@ x@
Carbohydrates and Glycobiology 8. Nucleotides and Nucleic Acids 9. DNA-
x@ x@ x@ x@ x@ x@ x@ x@ x@
Based Information Technologies 10. Lipids 11. Biological Membranes and Transport 12. Biosignali
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ng 13. Bioenergetics and Biochemical Reaction Types 14. Glycolysis, Gluconeogenesis, and the P
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
entose Phosphate Pathway 15. Principles of Metabolic Regulation 16. The Citric Acid Cycle 17.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
Fatty Acid Catabolism 18. Amino Acid Oxidation and the Production of Urea 19. Oxidative Phos
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
phorylation and Photophosphorylation Oxidative Phosphorylation 20. Carbohydrate Biosynthesis i
x@ x@ x@ x@ x@ x@ x@ x@
n Plants and Bacteria 21. Lipid Biosynthesis
x@ x@ x@ x@ x@ x@
22. Biosynthesis of Amino Acids, Nucleotides, and Related Molecules 23. Hormonal Regulati
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
on and Integration of Mammalian Metabolism 24. Genes and Chromosomes 25. DNA Met
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
abolism 26. RNAMetabolism 27. Protein Metabolism 28. Regulation of Gene Expression
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
Page 1 of 648 x@ x@ x@
,1
1. In a bacterial cell, the DNA is in the:
x@ x@ x@ x@ x@ x@ x@ x@
A) cell envelope. x@
B) cell membrane. x@
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes w
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
as the development of:
x@ x@ x@
A) DNA.
B) photosynthetic capability. x@
C) plasma membranes. x@
D) ribosomes.
E) the nucleus. x@
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
A) cell membrane. x@
B) nuclear envelope. x@
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum nu
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
mber of biomolecules necessary for function, and on the upper end by the rate o
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
f diffusion of solutes such as oxygen. Except for highly elongated cells, they usua
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
lly have lengths and diameters in the range of:
x@ x@ x@ x@ x@ x@ x@ x@
A) 0.1 m to 10 m. x@ x@ x@ x@
B) 0.3 m to 30 m. x@ x@ x@ x@
C) 0.3 m to 100 m. x@ x@ x@ x@
D) 1 m to 100 m.
x@ x@ x@ x@
E) 1 m to 300 m.
x@ x@ x@ x@
5. Which group of single-
x@ x@ x@
celled microorganisms has many members found growing in extreme environm
x@ x@ x@ x@ x@ x@ x@ x@ x@
ents?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
x@ x@ x@ x@ x@
Page 1 x@
, 2
6. The x@ bacterium E. coli requires simple organic molecules for growth and energy
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
—it x@ is therefore a:
x@ x@
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
x@ x@ x@ x@ x@
A) mitochondria, chromatin, endoplasmic reticulum x@ x@ x@
B) peroxisomes, lysosomes, plasma membrane x@ x@ x@
C) proteasomes, peroxisomes, lysosomes x@ x@
D) mitochondria, endoplasmic reticulum, peroxisomes x@ x@ x@
E) All of the answers are correct.
x@ x@ x@ x@ x@
8. Which list has the cellular components arranged in order of INCREASING size?
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
A) amino acid < protein < mitochondrion < ribosome
x@ x@ x@ x@ x@ x@ x@
B) amino acid < protein < ribosome < mitochondrion
x@ x@ x@ x@ x@ x@ x@
C) amino acid < ribosome < protein < mitochondrion
x@ x@ x@ x@ x@ x@ x@
D) protein < amino acid < mitochondrion < ribosome
x@ x@ x@ x@ x@ x@ x@
E) protein < ribosome < mitochondrion < amino acid
x@ x@ x@ x@ x@ x@ x@
9. The three-
x@
dimensional structure of macromolecules is formed and maintained primarily throu
x@ x@ x@ x@ x@ x@ x@ x@ x@
gh noncovalent interactions. Which one of the following is NOT considered a n
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
oncovalent interaction? x@
A) carbon-carbon bonds x@
B) hydrogen bonds x@
C) hydrophobic interactions x@
D) ionic interactions x@
E) van der Waals interactions
x@ x@ x@
10. Which element is NOT among the four most abundant in living organisms?
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page 2 x@