Admin Endoplasmic Reticulum Morphology Cisternae. Vesicles. Tubules. Ultra structure Types of Endoplasmic reticulum 1. Agranular or Smooth Endoplasmic Reticulum Glycosomes. 2. Granular of Rough Endoplasmic Reticulum Isolation and chemical composition Enzymes of the ER membranes The enzymes of the endoplasmic reticulum perform the following important functions : 1. Synthesis of glycerides, e.g., triglycerides, phospholipids, glycolipids and … Read more
Lysosomes History Lysosomes were investigated according to following two schools Occurrence Structure Isolation and Chemical Composition Lysosomal Enzymes Kind of Lysosomes 1. Primary Lysosomes 2. Heterophagosome 3. Autophagosomes 4. Residual Bodies Origin Function of Lysosomes The important functions of lysosomes are as follow : 1. Digestion of large extracellular particles. 2. Digestion of intracellular substances. … Read more
Golgi Apparatus History Occurence Distribution Morphology 1.Flattened Sac or Cisternae 2.Tubules 3.Vesicles 1.Transitional vesicles 2.Secretory vesicles 3.Clathrin-coated vesicles Isolation andChemical Composition Cytochemical Properties of Golgi Apparatus 1.Osmium tetraxide (OsO4) 2.Phosphotungstic acid (H3PO4.12WO3.24H2O). 3.Glycosyl tranferease and thiamine pyrophosphatase 4.Acid phosphatase enzyme Origin Function 1.Golgi Functions in Plants Q1. Golgi apparatus was discovered by:A) Robert HookeB) Camillo … Read more
Glyoxysomes Functions Glyoxysomes perform following biochemical activities of plants cells : (1) Fatty acid metabolism. (2) Glyoxylate cycle. Isocitratase Isocitrate Glyoxylate + Succinate Malate synthetase Acetyl CoA+Glyoxylate Malate 2 Acetyl-CoA+NAD+ Succintiate + … Read more
Peroxisomes Peroxisomes Glycolate cycle- Photorespiration– CH2OH.COOH + O2 ® CHO – COOH + H2O2 CHO – COOH + H2O2 ® HCOOH + CO2 + H2O Biogenesis of Peroxisomes 1. Peroxisomes are surrounded by: A) Double membraneB) No membraneC) Single membraneD) Triple membrane✅ Answer: C) Single membrane 2. The matrix … Read more
Microbodies: Structure and Types Structure of Microbodies Isolation Technique of Microbodies (from Plant Tissues) Types of Microbodies Recent biochemical studies identify two main types of microbodies: 1. Peroxisomes 2. Glyoxysomes 1. Microbodies are bounded by: A) Double membraneB) Single membraneC) No membraneD) Triple membrane✅ Answer: B) Single membrane 2. Which enzyme is a characteristic marker … Read more
Programmed Cell Death PCD Introduction Origin and Types of Programmed Cell Death (PCD) Types of Programmed Cell Death Apoptosis – A Type of Programmed Cell Death Autophagy – A Type of Programmed Cell Death Other Types of Programmed Cell Death Besides apoptosis and autophagy, scientists have discovered other types of programmed cell death (PCD). These … Read more
Cytokinesis Cell plate formation
Retinoblastoma and E2F Protein Summarizes the situation. Over-expression of RB impedes cell growth.
Role of Cyclins and CDKs General mechanism of cyclin-CDK interaction Specific action of cyclin-CDK complexes 🔬 Section 1: Basics of Cyclins and CDKs 📈 Section 2: Cyclin-CDK Interactions and Functions 🧬 Section 3: General Mechanism and Cell Cycle Regulation 🔁 Section 4: Specific Cyclin-CDK Complexes and Their Roles 📚 Section 5: Additional Concepts and Molecular … Read more
