Glyoxysomes

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  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

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

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

Cytokinesis Cell plate formation

Role of Cyclins and CDKs

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

The development of the term apoptosis 

The development of the term apoptosis  The significance of apoptosis  Morphological features of apoptosis  🧬 Section 1: Origin and Definition of Apoptosis 🌱 Section 2: Biological Significance of Apoptosis 🔬 Section 3: Morphological Features of Apoptosis 🧪 Section 4: Miscellaneous and Evolutionary Aspects 🔁 Section 5: Applied and Functional Understanding

Cell cycle inhibitors

Cell cycle inhibitors Checkpoints 1. G1 Checkpoint Type of Cells:  a. Permanent Go Cells: Those cells that enter Go state and remain in ground state. Example;- neurons, skeletal muscle, RBC  b. Stable Go Cells: Those Cells that enter Go state and leave ground state given the right stimuli. Example;- Hepatocytes and Lymphocytes  c. Labile Go … Read more

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