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Latest Notes
Chloroplast: Definition, Structure, Functions and Role in Photosynthesis
Learn what chloroplasts are, where they occur, how thylakoids, grana and stroma are organized, and how they function in photosynthesis, metabolism and cellular genetics.
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RBC vs WBC – Differences in Structure, Function, Count, and Lifespan
Compare the differences between RBC and WBC in structure, function, nucleus, size, count, lifespan, movement, and role in blood in a clear table.
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Sampling of Bacteria From Water: Collection Procedure and Sample Handling
Sampling of bacteria from water requires sterile collection, aseptic handling, correct preservation, and prompt transport for microbiological analysis.
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Shiga Toxin-Producing E. coli (STEC): Infection, Pathogenesis, and Prevention
What Is Shiga Toxin-Producing E. coli (STEC)? Shiga toxin-producing Escherichia coli (STEC) are the strains of E. coli which produce Shiga toxins (Stx), either…
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SARS-CoV-2 Structure and Genome: Virion Proteins, RNA Organization, and Gene Expression
SARS-CoV-2 is an enveloped, positive-sense single-stranded RNA (+ssRNA) virus having a roughly spherical to ellipsoidal virion and a genome of about 30 kb. The…
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Taenia solium vs Fasciola hepatica – Key Differences
Taenia solium and Fasciola hepatica are parasitic flatworms belonging to two different groups. T. solium is a cestode (pork tapeworm) having a long and…
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Endocytosis vs Exocytosis – Key Differences and Similarities
Endocytosis is a cellular process by which cells internalize substances from their external environment. Exocytosis is a type of process, in which involves the…
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Embryology: Definition, Developmental Stages, Branches and Importance
Learn what embryology is, how embryos develop through fertilization, cleavage, gastrulation and organogenesis, and explore its major branches, mechanisms and biological importance.
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Embryonic Stem Cells: Definition, Properties, Sources, Uses, and Ethical Issues
Learn what embryonic stem cells are, where they come from, how pluripotency and self-renewal work, their research uses, limitations, and ethical issues.
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Endosymbiosis: Definition, Endosymbiotic Theory, Evidence, and Examples
Learn what endosymbiosis is, how endosymbiotic theory explains the origins of mitochondria and plastids, the evidence supporting it, and important modern examples.
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