Tag: Oxygen

embryonic intrigue that’ll make your buccopharyngeal membrane quiver with excitement!

Picture, if you will, the humble beginnings of life, where a thin membrane known as the buccopharyngeal membrane (or oropharyngeal membrane for those who like their words extra fancy) plays the role of the ultimate gatekeeper between the primitive mouth and pharynx. It’s like nature’s very own “You shall not pass!” moment, but with fewer…
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September 3, 2024
Tetramers and tetrameric protein

A tetramer is an oligomer formed from four monomers or subunits. The associated property is called tetramery. An example from inorganic chemistry is titanium methoxide with the empirical formula Ti(OCH3)4, which is tetrameric in solid state and has the molecular formula Ti4(OCH3)16. An example from organic chemistry is kobophenol A, a substance that is formed by combining four molecules of resveratrol. In biochemistry, it similarly refers to a biomolecule formed of four units, that are the…
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January 6, 2024
Chemistry: A Volatile History

Chemistry: A Volatile History is a 2010 BBC documentary on the history of chemistry presented by Jim Al-Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Episode 1: Discovering the Elements Introduction Only in the last 200 years have we known what an element is – a substance that cannot be broken down further by chemical reaction. The Ancient Greeks,…
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February 4, 2023