Topics
Heredity and Evolution
- Heredity
- Protein Synthesis
- Transcription, Translation and Translocation
- Protein synthesis - Transcription
- Protein synthesis – Translation
- Evolution
- Theories of Origin of Life
- Evolution and Classiffication
- Evidences for Biological Evolution
- Darwin’s Theory of Natural Selection
- Lamarck’s Theory of Evolution
- Speciation
- Origin and Evolution of Man
Life Processes in Living Organisms Part -1
- Living Organisms and Life Processes
- Living Organism and Energy Production
- Formation of ATP
- Energy Production in Living Organism
- Cell Division: an Essential Life Process
- Mitosis and Its Phases
- Phases of Mitosis: Karyokinesis (Division of Nucleus)
- Phases of Mitosis: Cytokinesis (Division of Cytoplasm)
- Significance of Mitosis
- Meiosis as a Reduction Division
- Stages of Meiosis: Meiosis I
- Stages of Meiosis: Meiosis II
- Significance of Meiosis
- Differences Between Mitosis and Meiosis
Life Processes in Living Organisms Part - 2
- Introduction to Life Processes in Living Organisms
- Asexual Reproduction in Animal
- Fission
- Fragmentation
- Regeneration
- Budding
- Sporulation (Sporogenesis)
- Asexual Reproduction in Plant
- Budding
- Vegetative Reproduction
- Reproduction in Plant
- Sexual Reproduction in Flowering Plants
- Sexual Reproduction in Animals
- Human Reproductive System
- The Male Reproductive System
- The Female Reproductive System
- Gametogenesis
- Fertilization in Human
- Embryonic Development in Human
- Implantation in Human
- Pregnancy in Humans
- Placenta (Growth) in Human
- Parturition (Birth) in Human
- Menstrual Cycle (Ovarian Cycle)
- Reproduction and Modern Technology
- Reproductive Health
Environmental Management
Towards Green Energy
Animal Classification
- Biological Classification
- Classification
- Taxonomic Hierarchy of Living Organisms: Unit of Classification
- New Criteria for Basis of Classification
- History of Animal Classification
- Traditional Method of Animal Classification
- Five Kingdom Classification
- Phylum: Porifera
- Phylum: Cnidaria/Coelenterata
- Phylum: Platyhelminthes
- Phylum: Aschelminthes
- Phylum: Annelida
- Phylum: Arthropoda
- Phylum: Mollusca
- Phylum: Echinodermata
- Phylum: Hemichordata
- Phylum: Chordata
- Chordata: Vertebrata
Introduction to Microbiology
Cell Biology and Biotechnology
Social Health
Disaster Management
Life's Internal Secrets
The Regulators of Life
The Life Cycle
Mapping Our Genes
Striving for Better Environment 2
Understanding Metals and Non-Metals
Amazing World of Carbon Compounds
- The Covalent Bond
- Saturated and Unsaturated Carbon Compounds
- Chains, Branches and Rings of Carbon Compound
- Homologous Series of Carbon Compound
- Nomenclature of Organic Compounds (IUPAC)
- Chemical Properties of Carbon Compound
- Chemical Properties of Carbon Compound
- Chemical Properties of Carbon Compound
- Ethanol
- Ethanoic Acid
- Soap
- Cell Division
- Types of Cell Division
- Amitosis - Direct Division
- Mitosis - Indirect Division
- Meiosis - Reduction Division
- Differences between Mitosis and Meiosis
Notes
New cells are formed in organisms in order to grow, to replace old, dead and injured cells, and to form gametes required for reproduction. The process by which new cells are made is called cell division. There are two main types of cell division: mitosis and meiosis. The process of cell division by which most of the cells divide for growth is called mitosis. In this process, each cell called mother cell divides to form two identical daughter cells.
The daughter cells have the same number of chromosomes as mother cell. It helps in growth and repair of tissues in organisms.
Specific cells of reproductive organs or tissues in animals and plants divide to form gametes, which after fertilisation give rise to offspring. They divide by a different process called meiosis which involves two consecutive divisions. When a cell divides by meiosis it produces four new cells instead of just two. The new cells only have half the number of chromosomes than that of the mother cells.
