Friday, September 4, 2009

GRE Biochemisry, Cell and Molecular Biology topics

v INTRODUCTION

1 Chemical Bonds and Energy Conservation

2 Thermodynamics and Energy Conservation

3 Potential Energy Curve

4 Redox States

5 Water, pH, Acid-Base Reactions, and Buffers

6 Structure of Water

7 Acid-Base Reactions

8 Concept of Acids and Bases in Relationship to pH

9 Buffers

10 Biomolecular Structures

11 Amino Acids and Proteins

12 Structure of Proteins

13 Primary Structure

14 Secondary Structure

15 a-Helix

16 ß-Pleated sheets

17 ß-Turns

18 Tertiary Structure

19 Quaternary Structure

20 Chemical and Enzymatic Reaction Mechanisms

21 Chemical Reaction Mechanisms

v BIOCHEMISTRY

1 First-Order Reactions

2 Second-Order Reactions

3 Some Factors That Influence Reaction Rates

4 Enzymatic Reaction Mechanisms

5 How Does an Enzyme Help Lower the Energy/Heat of Activation of a Reaction

6 Proximity and Orientation

7 Covalent Catalysis

8 Strain and Distortion

9 Acid-Base Catalysis

10 Selected List of Coenzymes and Their Roles in Catalysis

11 Classification of Enzymes by the Types of Reactions They Catalyze

12 Oxidoreductases

13 Transferases

14 Hydrolases

15 Lyases

16 Isomerases

17 Ligases

18 Enzyme Kinetics

19 Practical Aspect of Initial Velocity Measurement

20 Lineweaver-Burk Plots

21 Diagnostic Value of Lineweaver-Burk Plots: Enzyme Inhibition

22 Classification of the Types of Enzyme Inhibitors

23 Mechanism-Based Inhibitors

24 Two-Substrate Reactions

25 Sequential Reactions May Be Either Random or Ordered

26 Ping-Pong or Double-Displacement Reactions

27 Antibodies as Catalysts

28 Regulation of Enzymatic Activity

29 Summary of Regulatory Mechanisms

30 Kinetic Models for Allosteric Regulation

31 Kinetic Description of Allosteric Interactions: The Concerted Model

32 Significance of the Hill Coefficient

33 Metabolism

34 Forms of Conserved Energy in Metabolism

35 Glycolysis

36 Reaction That Commits Glucose Metabolism to Glycolysis

37 Aldolase Catalyzes the Production of Two -Carbon

38 Compounds from Fru ,-P

39 Triose Phosphate Isomerase

40 Glyceraldehyde -Phosphate Dehydrogenase (GAPDH) Reaction

41 Phosphoglycerate Kinase Reaction

42 Phosphoglycerate Mutase Reaction

43 Enolase Catalyzes the Second “High-Energy” Compound in Glycolysis

44 Pyruvate Kinase Generates the Second ATP Molecule in Glycolysis

45 Summary of Glycolysis

46 Pyruvate Metabolism: Formation of Acetylcoenzyme A

47 The Tricarboxyclic Acid Cycle (TCA Cycle)

48 Regulation of the TCA cycle

49 Anaplerotic Reactions for the TCA Cycle

50 Oxidative Phosphorylation

51 Pentose Phosphate Pathway

52 Oxidative Phase of the Pentose Phosphate Pathway

53 Nonoxidative Phase of the Pentose Phosphate Pathway

54 Glucuronic Acid Oxidative Pathway

55 Gluconeogenesis and Glycogenesis

56 Summary of Entry Points in the TCA Cycle

57 and Glycolysis That Can Lead to Gluconeogenesis

58 Glycogen Metabolism

59 Glycogenesis

60 Glycogenolysis

61 Regulation of Glycogen Metabolism

62 Photosynthesis

63 Photochemical Consideration of Light Absorption and Energy Generation

64 Light Independent Reactions of Photosynthesis: The Calvin Cycle

65 Adaptive Photosynthetic Mechanisms

66 Nitrogen Metabolism

67 Nitrogen Fixation

68 Chemical Reactions of Pyridoxyl Phosphate Relative to Amino Acid Metabolism

69 Biosynthesis of Amino Acids

70 Amino Acids Derived from Oxaloacetate/Aspartate

71 Amino Acids Derived from -Phosphoglycerate

72 Cysteine

73 Serine

74 Glycine

75 Amino Acids Derived from Pyruvate

76 Amino Acids Derived from a-Ketoglutarate

77 Amino Acids Derived from Phosphoenolpyruvate and Erythrose--phosphate

78 Histidine

79 Degradation of Amino Acids

80 Methionine

81 The Urea Cycle

82 Nucleotide Structure and Metabolism

83 Synthesis of Purines

84 Summary of Key Points About Purine Biosynthesis

85 Degradation of Purines

86 Synthesis of Pyrimidines

87 Synthesis of Deoxyribonucleotides

88 Regulation of Ribonucleotide Reductase Activity

89 Thymine Biosynthesis

90 Degradation of Pyrimidines

91 Heme Metabolism

92 Heme and Chlorophyll Biosynthesis

93 Heme and Chlorophyll Degradation

94 Lipid Metabolism

95 Fatty Acid Biosynthesis

96 Elongation of Palmitic Acid

97 Formation of Unsaturated Fatty Acids

98 Nomenclature and Other Positions Where Desaturases Function

99 Arachiodonic Acid and Signaling/Regulatory Molecules

100 Cholesterol and Steroid Hormones Are Derived from Acetate

101 Fatty Acids Are Stored as Triglycerides

102 Sphingolipids

103 Fatty Acid Oxidation

104 Special Cases to Consider for b-Oxidation of Fatty Acids

105 Methods

106 Methods for Cell Disruption

107 Mechanical Methods

108 Nonmechanical Methods of Cell Disruption

109 Separation of Cellular Components by Centrifugation

110 Centrifugal Force Required to Pellet Selected Cellular Components

111 Purification of Soluble Proteins

112 Chromatography

113 Ion Exchange Chromatography

114 Hydrophobic Interaction Chromatography

115 Gel Filtration Chromatography

116 Two-Dimensional Gel Electrophoresis

117 Determination of Molecular Mass Using SDS Denaturing Gels

118 Western Blot Analysis

119 Cellular Compartments of Prokaryotes and Eukaryotes

120 Organization, Dynamics, and Functions

121 Microscopy

122 General Introduction to Prokaryotes and Eukaryotes

123 Prokaryotes

124 Eukaryotes

125 Cell Death

126 Apoptosis

127 Necrosis

128 Cellular Membrane Systems (Structure and Transport)

129 Prokaryotic Cells, Plasma Membrane, and Cell Wall

130 Eukaryotic Plasma Membranes and Cell Walls

131 Membrane Biogenesis

132 Membrane Transport

133 Inactive Transport

134 Active Transport

135 Exo- and Endocytosis

v CELL BIOLOGY

1 Nucleus (Envelope and Matrix) and Chromosomes

2 Prokaryotic Cells—Chromosome

3 Eukaryotic Cells—Chromosomes and Nucleus

4 Other Intracellular Structures, Including Mitochondria and Chloroplasts

5 Prokaryotes

6 Eukaryotes

7 Specialized Structures and Other Characteristics

8 Cell Dynamics

9 Cell Surface and Cell Communication

10 Extracellular Matrix

11 The Extracellular Matrix of Connective Tissue

12 Connective Tissue

13 The Proteins of Connective Tissue

14 The Extracellular Matrix of Endothelial Tissue

15 Cell–Cell Interaction

16 Binding of Cells to the Extracellular Matrix

17 Communication between Extracellular Matrix and Cytoskeleton

18 Cell Adhesion and Junctions: Cell–Cell Communication

19 Signal Transduction and Receptor Function

20 Cell Membrane Receptors

21 Second Messenger Systems

22 The cAMP Pathway

23 The Phosphatidylinositol Pathway

24 G-Protein-Associated Ion Channels

25 Receptors That Are Enzymes

26 Steroid and Thyroid Hormones

27 Excitable Membrane Systems

28 Cytoskeleton, Motility, and Shape

29 Actin Filaments

30 Actin in Muscle Contraction

31 Microtubules

32 Intermediate Filaments

33 Organization of the Cytoskeleton

34 Cell Surface Structures of Prokaryotes

35 Protein Synthesis and Processing

36 Cell Division, Differentiation, and Development

37 Bacterial Cell Division

38 Eukaryotic Cell Cycle

39 Mitosis and Cytokinesis

40 Cytokinesis

41 Growth Factors

42 Meiosis and Gametogenesis

43 Fertilization and Early Embryonic Development

44 Fertilization

45 Embryogenesis

46 Early Mammalian Development

47 From Gastrula to Fully Developed Organism

48 Positional Information

49 Nuclear/Cytoplasmic Interactions

50 Tissue-Specific Expression

v MOLECULAR BIOLOGY

1 Mendelian and Non-Mendelian Inheritance

2 Punnett Square Diagrams

3 Transformation, Transduction, and Conjugation

4 Recombination and Complementation

5 Mutational Analysis

6 Genetic Mapping and Linkage Analysis

7 Chromatin and Chromosomes

8 Karyotypes

9 Translocations, Inversions, Deletions, and Duplications

10 Aneuploidy and Polyploidy

11 Structure

12 Genomics

13 Genome Structure

14 Repeated DNA and Gene Families

15 Centromeres and Telomeres

16 Gene Identifi cation

17 Transposable Elements

18 Gene Maintenance

19 DNA Replication

20 The Challenges of DNA Replication

21 DNA Damage and Repair

22 DNA Modifi cation

23 DNA Recombination and Gene Conversion

24 Branch Migration

25 Gene Conversion

26 The Genetic Code

27 Transcription

28 Gene Regulation in Prokaryotes

29 Positive and Negative Control of the Operon

30 Gene Regulation in Eukaryotes

31 Cis- and Trans-Acting Regulatory Elements

32 Gene Rearrangements and Amplifi cation

33 Bacteriophages and Animal and Plant Viruses

34 Genome Replication and Regulation

35 Virus-Host Interactions

36 Methodology

37 Restriction Maps

38 DNA Cloning in Prokaryotes and Eukaryotes

39 Other Uses of Restriction Endonucleases

40 Nucleic Acid Blotting and Hybridization

41 PCR

42 Sequencing and Analysis

43 Protein-Nucleic Acid Interaction

44 Site-Directed Mutagenesis

45 Answer to Mapping Problem

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