Chromosome Size, Shape and Structure
History of Chromosome German biologist Walter Flemming in the early 1880s revealed that during cell division the nuclear …
Cell Biology
Oncogenes,Proto-Oncogenes and Retroviral Oncogenes
Oncogenes, Proto-Oncogenes and Retroviral Oncogenes Oncogenes Cancer is the result of changes in critical regulatory genes that control …
Major pathways of Intracellular Cell Signalling
Major pathways of Intracellular Cell Signalling Upon binding to ligand, most cell surface receptors stimulate intracellular target enzymes …
Cell Signalling its types and mechanism of action
Cell Signalling its types and mechanism of action Introduction Cells respond to extracellular signals produced by other cells …
Microbodies: Glyoxysomes, Peroxisomes & Sphaerosomes
Microbodies: Glyoxysomes, Peroxisomes & Sphaerosomes Introduction Microbodies are single-membrane bound small spherical or oval organelles that take part …
Transport From Golgi apparatus to Lysosomes
Transport From GA to Lysosomes Proteins, lipids and polysaccharides are transported from the Golgi apparatus to their final …
Lysosomes and its functions
Lysosomes and its functions Lysosomes are membrane bound organelles found in animals. Lysosomes are storage organelles for hydrolases …
Golgi Complex and its function
Golgi Complex and its function The Golgi apparatus was one of the first organelles to be discovered and …
Signal Recognition Particles
Signal Recognition Particles The signal recognition particles (SRP) is an abundant, cytosolic, universally conserved ribonucleoprotein( protein-RNA complex ) …
Principles of Membrane Transport
Principles of Membrane Transport Membrane transport: It is the passage of metabolites, by-products and biochemicals across biomembrane. Membrane …
Plasma Membrane Structure and Function
Plasma Membrane is the boundary that separates the living cell from its nonliving surroundings. All cells-both prokaryotic and …
Endoplasmic Reticulum: Structure, Protein Synthesis and Functions
Introduction The endoplasmic reticulum (ER) is organized into a netlike labyrinth of branching tubules and flattened sacs that …