Difference Between

Innate Immunity vs. Acquired Immunity

Last updated on June 11th, 2021Immunity is defined as the resistance offered by the host against microorganisms or any other foreign substance(s). Immunity can be broadly classified into two types: Innate Immunity-present right from the […]

Difference Between

Primary vs. Secondary Immune Response

Last updated on June 11th, 2021The initial encounter of a naïve immune-competent lymphocyte with an antigen induces a primary immune response; a later contact of the host with the same antigen will induce a more […]


SEM vs. TEM Electron Microscopy

Last updated on June 11th, 2021The advent of Electron Microscopy in 1932 opens the door to visualizing small subcellular structure and viruses which were beyond the scope of light microscopy which can’t resolve objects separated […]

Difference Between

Taenia solium vs. Taenia saginata 

Last updated on June 11th, 2021Taeniasis is the parasitic infection of humans caused by adult tapeworm species; i.e. Taenia saginata (beef tapeworm), Taenia solium  (pork tapeworm), or Taenia asiatica (Asian tapeworm). T. solium and T. saginata have a worldwide distribution but […]


Staphylococcus vs. Micrococcus

Last updated on June 11th, 2021Staphylococcus and Micrococcus both are Gram-positive cocci (GPC).  Both of these cocci are non-motile, non-sporing, and catalase positive. Both of these organisms are normal flora of the skin and mucous membranes […]

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Neisseria gonorrhoeae vs. Neisseria meningitides

Last updated on June 11th, 2021Neisseria gonorrhoeae and Neisseria meningitides are Gram negative diplococci (kidney bean-shaped) with flattened sides.  They are characteristically found inside polymorphonuclear leucocytes. They are non-sporing, non-motile and oxidase positive. They have […]

Eukaryotic and Prokaryotic cells

Prokaryotic Cell vs. Eukaryotic Cell

Last updated on June 23rd, 2021All living cells can be classified as either prokaryotic or eukaryotic. Bacteria are prokaryotic, while fungi, protozoa, and other organisms are eukaryotic. Eukaryotic cells contain a nucleus with a nuclear […]

Gram positive cocci in clusters

Staphylococcus vs. Streptococcus

Last updated on June 11th, 2021Staphylococcus and Streptococcus are the two most common pathogenic gram-positive cocci of medical importance. They share some of the important properties. Common characteristics shared by these gram-positive cocci are: Nonmotile, […]