Avatar for Sourav Pan

Sourav Pan

Founder of Biology Notes Online, Biology & Microbiology Educator, M.Sc. in Microbiology
Expertise
Microbiology, Immunology, Cell Biology, Molecular Biology, Genetics, Biotechnology, Biochemistry, Botany, Zoology
Education
University of Calcutta
Profile Last Updated: August 10, 2026

Sourav Pan is the founder and sole author of Biology Notes Online. He holds a Bachelor of Science (B.Sc.) degree and an M.Sc. in Microbiology from the University of Calcutta. He creates educational resources covering microbiology, immunology, biotechnology, genetics, cell biology, botany, zoology, and other life-science subjects.

His goal is to make complex biological concepts easier to understand through well-structured, student-friendly articles based on academic textbooks, peer-reviewed research, and authoritative scientific sources. In addition to writing new content, he regularly reviews and updates articles to improve their accuracy, clarity, and educational value.

Differences Between Mitochondria and Chloroplast – Mitochondria vs Chloroplasts

Differences Between Mitochondria and Chloroplast - Mitochondria vs Chloroplasts

Mitochondria originates of the Greek word meaning’mitos’ thread and ‘chondrios’-granule. Mitochondria are also referred to as the “powerhouse of cells’ because their primary purpose is to generate energy through the process of ATP.

Difference Between Simple Diffusion and Facilitated Diffusion – Simple diffusion vs facilitated diffusion

Difference Between Simple Diffusion and Facilitated Diffusion - Simple diffusion vs facilitated diffusion

The major distinction between simple and facilited diffusion is that simple diffusion is not accompanied by the involvement of the channel or carrier proteins whereas the facilitated one takes place through channels or protein carrier proteins.

22 Differences Between Endonuclease and Exonuclease – Endonuclease vs Exonuclease

Endonuclease vs Exonuclease - Definition, 22 Differences, Examples

Definition of Endonuclease Mechanism of Endonuclease The mechanism of endonuclease involves the cleavage of the phosphodiester bond within the polynucleotide chain. Here is an overview of the mechanism: The mechanism of endonuclease activity plays a crucial role in DNA repair processes, as it specifically targets and removes mismatched or damaged nucleotides within the DNA molecule. … Read more

Difference Between endocytosis and exocytosis (endocytosis vs exocytosis)

Difference between endocytosis and exocytosis (endocytosis vs exocytosis)

Endocytosis is a cellular process by which cells internalize substances from their external environment.
Exocytosis is a type of process, in which involves the movement of materials from the inside of a cell to the exterior of the cell by the use of energy.