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Ephi Lu
CNP Contributor

Ephi Lu

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Glycoprotein

Glycoproteins are molecules composed of carbohydrates and proteins. Mucin, for example, is a type of glycoprotein that gives the mucus layer a gel-like consistency.

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Gnotobiotic

The term “gnotobiotic” refers to the study of organisms inoculated in a carefully controlled environment containing one or a few types of organisms to…

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Gram staining

Gram-staining is a traditional laboratory technique used to rapidly classify bacterial species into two broad categories: gram-positive and gram-negative, according to their type of…

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Gram-negative bacteria

Gram-negative bacteria contain outer and inner cell membranes and create pink color colonies upon gram-staining. Most of the gram-negative bacterial species are pathogenic due…

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Gram-positive bacteria

Gram-positive bacteria do not express LPS and have no outer lipid layer except the thick peptidoglycan layer, which gives purple colonies upon gram-staining. Gram-positive…

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Ghrelin

Ghrelin is often referred to as the “hunger hormone.” It is produced by the stomach and stimulates appetite, signaling to the brain that it’s…

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