Hi Guys ,These are some of the tutorial links I found useful for Beginners:
http://www.mikeblaber.org/oldwine/bch5425/bch5425.htm
This is a site maintaines by the University of Arizona.
It is a pretty gud site with enough explanation of Concepts along with easy to understand diagrams.
http://www.biology.arizona.edu/molecular_bio/molecular_bio.html
this is a site with enough Multiple choice questions with very good explanatory answers.
http://bcs.whfreeman.com/thelifewire/content/chp15/15020.html
this is a very gud site with enough animation to make the explanation of different biological phenomenons easier.....
It contains 106 tutorials with explanation of simple cocnepts to complex preoceses.
It contains beneficial to both beginers as well as for guys in masters or Doctors levels.
It contains the following chapters :
apter 1: An Evolutionary Framework for Biology
PART ONE The Cell
Chapter 2: Life and Chemistry: Small Molecules
Tutorial 2.1 Chemical Bond Formation
Chapter 3: Life and Chemistry: Large Molecules
Tutorial 3.1 (E) Synthesis of Prebiotic Molecules in an Experimental Atmosphere
Tutorial 3.2 Macromolecules
Tutorial 3.3 (E) Pasteur's Experiment
Chapter 4: The Basic Units of Life
Tutorial 4.1 Eukaryotic Cell Tour
Tutorial 4.2 The Golgi Apparatus
Chapter 5: Cellular Membranes
Tutorial 5.1 Passive Transport
Tutorial 5.2 Active Transport
Tutorial 5.3 Receptor-Mediated Endocytosis
Chapter 6: Energy, Enzymes, and Metabolism
Tutorial 6.1 Enzyme Catalysis
Tutorial 6.2 Allosteric Regulation of Enzymes
Chapter 7: Cellular Pathways That Harvest Chemical Energy
Tutorial 7.1 Electron Transport and ATP Synthesis
Tutorial 7.2 (E) Two Experiments Demonstrate the Chemiosmotic Mechanism
Chapter 8: Photosynthesis: Energy from the Sun
Tutorial 8.1 (E) The Source of the Oxygen Produced by Photosynthesis
Tutorial 8.2 Photophosphorylation
Tutorial 8.3 (E) Tracing the Pathway of CO2
Chapter 9: Chromosomes, the Cell Cycle, and Cell Division
Tutorial 9.1 Mitosis
Tutorial 9.2 Meiosis
PART TWO Information and Heredity
Chapter 10: Genetics: Mendel and Beyond
Tutorial 10.1 Independent Assortment of Alleles
Tutorial 10.2 (E) Alleles That Do Not Sort Independently
Chapter 11: DNA and Its Role in Heredity
Tutorial 11.1 (E) The Meselson-Stahl Experiment
Tutorial 11.2 DNA Replication, Part 1: Replication of a Chromosome and DNA Polymerization
Tutorial 11.3 DNA Replication, Part 2: Coordination of Leading and Lagging Strand Synthesis
Chapter 12: From DNA to Protein: Genotype to Phenotype
Tutorial 12.1 Transcription
Tutorial 12.2 (E) Deciphering The Genetic Code
Tutorial 12.3 Protein Synthesis
Chapter 13: The Genetics of Viruses and Prokaryotes
Tutorial 13.1 The lac Operon
Tutorial 13.2 The trp Operon
Chapter 14: The Eukaryotic Genome and Its Expression
Tutorial 14.1 RNA Splicing
Tutorial 14.2 Initiation of Transcription
Chapter 15: Cell Signaling and Communication
Tutorial 15.1 Signal Transduction Pathway
Chapter 16: Recombinant DNA and Biotechnology
Tutorial 16.1 Separating Fragments of DNA by Gel Electrophoresis
Tutorial 16.2 DNA Chip Technology
Chapter 17: Molecular Biology and Medicine
Tutorial 17.1 (E) DNA Testing by Allele-Specific Cleavage
Tutorial 17.2 Sequencing the Genome
Chapter 18: Natural Defenses against Disease
Tutorial 18.1 Cells of the Immune System
Tutorial 18.2 Pregnancy Test
Tutorial 18.3 Cellular Immune Response
Tutorial 18.4 Humoral Immune Response
Tutorial 18.5 A B-Cell Builds an Antibody
PART THREE Development
Chapter 19: Differential Gene Expression in Development
Tutorial 19.1 Embryonic Stem Cells
Tutorial 19.2 (E) Early Asymmetry in the Embryo
Tutorial 19.3 Pattern Formation in the Drosophila Embryo
Chapter 20: Animal Development: From Genes to Organism
Tutorial 20.1 Gastrulation
Tutorial 20.2 (E) Tissue Transplants Reveal the Process of Determination
Chapter 21: Development and Evolutionary Change
Tutorial 21.1 Modularity
PART FOUR Evolutionary Processes
Chapter 22: The History of Life on Earth
Tutorial 22.1 Evolution of the Continents
Chapter 23: The Mechanisms of Evolution
Tutorial 23.1 Natural Selection
Tutorial 23.2 The Hardy-Weinberg Equilibrium
Tutorial 23.3 (E) Assessing the Costs of Adaptations
Chapter 24: Species and Their Formation
Tutorial 24.1 Speciation Mechanisms
Tutorial 24.2 Founder Events Lead to Allopatric Speciation
Chapter 25: Reconstructing and Using Phylogenies
Chapter 26: Molecular and Genomic Evolution
PART FIVE The Evolution of Diversity
Chapter 27: Bacteria and Archaea: The Prokaryotic Domains
Tutorial 27.1 The Evolution of the Three Domains
Chapter 28: Protists and the Dawn of the Eukarya
Tutorial 28.1 (E) Food Vacuoles Handle Digestion and Excretion
Tutorial 28.2 Family Tree of Chloroplasts
Chapter 29: Plants Without Seeds: From Sea to Land
Tutorial 29.1 Life Cycle of a Moss
Chapter 30: The Evolution of Seed Plants
Tutorial 30.1 Life Cycle of a Conifer
Chapter 31: Fungi: Recyclers, Pathogens, Parasites, and Plant Partners
Tutorial 31.1 Life Cycle of a Zygomycete
Chapter 32: Animal Origins and the Evolution of Body Plans
Tutorial 32.1 Life Cycle of a Cnidarian
Chapter 33: Ecdysozoans: The Molting Animals
Chapter 34: Deuterostomate Animals
Tutorial 34.1 Life Cycle of a Frog
PART SIX The Biology of Flowering Plants
Chapter 35: The Plant Body
Tutorial 35.1 Secondary Growth: The Vascular Cambium
Chapter 36: Transport in Plants
Tutorial 36.1 The Pressure Flow Model
Chapter 37: Plant Nutrition
Tutorial 37.1 Nitrogen and Iron Deficiencies
Chapter 38: Regulation of Plant Growth
Tutorial 38.1 Tropisms
Tutorial 38.2 (E) Went's Experiment
Tutorial 38.3 (E) Auxin Affects Cell Walls
Chapter 39: Reproduction in Flowering Plants
Tutorial 39.1 Double Fertilization
Tutorial 39.2 (E) The Effect of Interrupted Days and Nights
Chapter 40: Plant Responses to Environmental Challenges
Tutorial 40.1 Signaling between Plants and Pathogens
PART SEVEN The Biology of Animals
Chapter 41: Physiology, Homeostasis, and Temperature Regulation
Tutorial 41.1 Control, Regulation, and Feedback
Chapter 42: Animal Hormones
Tutorial 42.1 Complete Metamorphosis
Tutorial 42.2 Hypothalamic-Pituitary-Endocrine Axis
Tutorial 42.3 Hormonal Regulation of Calcium
Chapter 43: Animal Reproduction
Tutorial 43.1 Fertilization in the Sea Urchin
Tutorial 43.2 The Ovarian and Uterine Cycles
Chapter 44: Neurons and Nervous Systems
Tutorial 44.1 The Resting Membrane Potential
Tutorial 44.2 The Action Potential
Tutorial 44.3 Synaptic Transmission
Chapter 45: Sensory Systems
Tutorial 45.1 Sound Transduction in the Human Ear
Tutorial 45.2 (E) Information Processing in the Retina
Chapter 46: The Mammalian Nervous System: Structure and Higher Functions
Tutorial 46.1 Information Processing in the Spinal Cord
Chapter 47: Effectors: Making Animals Move
Tutorial 47.1 Molecular Mechanism of Muscle Contraction
Tutorial 47.2 (E) Smooth Muscle Action
Chapter 48: Gas Exchange in Animals
Tutorial 48.1 Airflow in Birds
Tutorial 48.2 Airflow in Mammals
Chapter 49: Circulatory Systems
Tutorial 49.1 The Cardiac Cycle
Chapter 50: Nutrition, Digestion, and Absorption
Tutorial 50.1 The Digestion and Absorption of Fats
Tutorial 50.2 Insulin and Glucose Regulation
Chapter 51: Salt and Water Balance and Nitrogen Excretion
Tutorial 51.1 The Mammalian Kidney
Chapter 52: Animal Behavior
Tutorial 52.1 Hormonal Control of Sexual Behavior
Tutorial 52.2 (E) Circadian Rhythms
Tutorial 52.3 Time-Compensated Solar Compass
PART EIGHT Ecology and Biogeography
Chapter 53: Behavioral Ecology
Tutorial 53.1 (E) The Costs of Defending a Territory
Tutorial 53.2 Foraging Behavior
Chapter 54: Population Ecology
Tutorial 54.1 Exponential Growth Simulation
Tutorial 54.2 Logistic Growth Simulation
Tutorial 54.3 Predator-Prey Simulation
Tutorial 54.4 Habitat Fragmentation
Chapter 55: Communities and Ecosystems
Tutorial 55.1 Primary Succession on a Glacial Moraine
Chapter 56: Biogeography
Tutorial 56.1 Rain Shadow
Tutorial 56.2 Biomes
Tutorial 56.3 Biogeography Simulation
Chapter 57: Conservation Biology
Chapter 58: Earth System Science
Tutorial 58.1 The Global Hydrological Cycle
Tutorial 58.2 The Global Carbon Cycle
Tutorial 58.3 The Ocean Conveyor Belt
Tutorial 58.4 The Global Nitrogen Cycle
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