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Showing posts with the label Middle Lamella

Cytokinesis Explained for NEET: Animal vs Plant Cells (NCERT)

  Cytokinesis in Mitosis: Complete NEET Guide with Examples Comparison of cytokinesis in animal and plant cells showing cleavage furrow, cell plate formation, and daughter cell development. Cytokinesis (NEET Level)   - Dr.Sanjaykumar Pawar  What is Cytokinesis? Cytokinesis is the division of the cytoplasm of a cell. It occurs after karyokinesis (nuclear division) . It is the last step of mitosis . After cytokinesis, one parent cell forms two separate daughter cells . Cell division is completed only after cytokinesis. Easy Definition (NEET) Cytokinesis = Division of cytoplasm resulting in the formation of two daughter cells. Line-by-Line Explanation **1. "Mitosis accomplishes not only the segregation of duplicated chromosomes into daughter nuclei (karyokinesis)..." Easy Meaning During mitosis, the duplicated chromosomes separate equally . Each new nucleus receives the same number of chromosomes . This process is called karyokinesis . Remember ...

Fluid Mosaic Model Explained for NEET: Cell Membrane and Cell Wall Notes

  Cell Membrane Structure and Transport Mechanisms | NEET Biology Notes Fluid Mosaic Model showing membrane structure, transport mechanisms, and cell wall components important for NEET Biology.  - Dr.Sanjaykumar Pawar  Cell Membrane (Fluid Mosaic Model) – Easy NEET Notes (Line by Line) 1. Fluid Mosaic Model (Singer and Nicolson, 1972) Original Line: "An improved model of the structure of cell membrane was proposed by Singer and Nicolson (1972) widely accepted as fluid mosaic model." Easy Note: In 1972 , Singer and Nicolson proposed the Fluid Mosaic Model . It is the most accepted model of cell membrane structure. It explains how lipids and proteins are arranged in the membrane. NEET Point: Fluid Mosaic Model = Singer and Nicolson (1972) Original Line: "According to this, the quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer." Easy Note: Cell membrane is made mainly of a lipid bilayer . Lipids are not fi...