CSIR-net Life Science

Preface
......Page 6
Contents......Page 8
General Introduction......Page 14
Cell Membrane......Page 17
Structural Organization of a Cell......Page 19
Cell Reproduction and Cell Division......Page 28
Cell Differentiation and Cell-Cell Interaction......Page 36
Cancer and Malignant Growth......Page 37
Types of Cancer......Page 38
Proto-Oncogenes and Tumor-Suppressor Genes......Page 39
Innate (or natural) immunity:......Page 40
Adaptive immunity......Page 41
Humoral and Cell Mediated Immune Response......Page 43
Vaccines......Page 44
Dosage Compensation......Page 47
Sex Determination......Page 48
Practice Test Paper-I......Page 50
Practice Test Paper-II......Page 61
II. Definition of pH and pOH......Page 74
V. Atoms......Page 75
VI. Molecules and Chemical bonding......Page 76
Bioenergetics......Page 78
Enzymes......Page 79
Enzyme Kinetics......Page 83
Control of Enzyme Activity......Page 84
Mechanisms of Action
......Page 86
Lipids......Page 87
Carbohydrates......Page 92
Sugars......Page 95
Glycolysis......Page 96
Amino Acids......Page 103
Protein Structure and Folding......Page 106
DNA Structure......Page 111
DNA Replication......Page 113
DNA Repair......Page 114
RNA Structure, Transcription and RNA Processing......Page 116
Protein Synthesis......Page 119
Metabolic Interrelationships
......Page 124
Practice Test Paper-I......Page 127
Practice Test Paper-II......Page 140
Response To Oxygen Stress......Page 153
Response to Cold Stress......Page 154
Transport Across Membranes......Page 155
1. Auxins......Page 157
2. Gibberellins......Page 158
3. Cytokinins......Page 160
5. Abscisic Acid......Page 161
Animal Hormones......Page 162
Summary of Endocrine Glands and Their Harmones
......Page 164
Reproduction......Page 170
Gametogenesis
......Page 172
Fertilization in Humans......Page 174
Practice Test Paper-I......Page 175
Practice Test Paper-II......Page 189
The Foundation of Genetics......Page 200
Mendel's Experiments and the Laws of Inheritance
......Page 201
Some Exceptions to Mendel's Laws
......Page 206
Alleles and their Interactions......Page 208
Gene Interactions......Page 210
Genes and Chromosomes......Page 212
Eukaryotic Chromosomes......Page 213
Gene Expression......Page 214
The Genetic Code......Page 216
Translation: RNA-Directed Polypeptide Synthesis......Page 218
Regulation of Gene Expression......Page 219
Sex Determination and Sex Linked Inheritance
......Page 222
Mutations: Heritable Changes in Genes......Page 225
Transposition......Page 229
Genetic Disorders......Page 233
Practice Test Paper-I......Page 236
Practice Test Paper-II......Page 250
Origin of Earth and Pre-Biotic Environment......Page 262
Major Episodes in The History of Life......Page 263
Prebiotic Chemical Evolution and the Origins of Life
......Page 264
Oxygenation of Earth......Page 268
The Geologic Time Scale and Evolutionary Record (dates in millions of years)......Page 269
The History of Evolutionary Theory
......Page 273
Evidences of Evolution......Page 274
Theories of Evolution......Page 278
Population Genetics......Page 283
Species Concept and Mechanisms of Speciation......Page 285
Polymorphism......Page 291
Molecular Evolution......Page 293
Practice Test Paper-I......Page 300
Practice Test Paper-II......Page 311
Major Components of Ecology......Page 322
Major Areas of Ecological Study......Page 324
Population Properties......Page 327
Demographics......Page 328
Survivorship Curves......Page 330
Life Histories......Page 332
Population Growth......Page 334
Population Limiting Factors......Page 338
Predation......Page 340
Competition between species......Page 344
Trophic Structure......Page 346
Ecological Succession......Page 347
Ecosystem......Page 349
Energy flow......Page 350
Productivity......Page 351
Chemical Cycles......Page 353
Behavioural Ecology......Page 355
Finding Food......Page 357
Fighting......Page 358
Finding Sex......Page 360
Cooperation......Page 361
Practice Test Paper-I......Page 364
Practice Test Paper-II......Page 376
Biodiversity......Page 388
Major Biodiversity Threats
......Page 389
Status of Biodiversity in India......Page 390
Biodiversity Hot Spots......Page 393
Conservation Strategics......Page 395
DNA Finger Printing......Page 398
Classification......Page 400
Phylogeny......Page 402
Biological Nomenclature......Page 404
Publishing Scientific Names......Page 407
Practice Test Paper-I......Page 411
Practice Test Paper-II......Page 422
Model Test Papers......Page 434
CSIR-NET Life Sciences DEC., 2003......Page 562
Answer Key
......Page 646