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Tofu
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Tofu or bean curd is a food prepared by pressing the curds of coagulated soy milk into solid white blocks of varying softness: 'silken', 'soft', 'firm', and 'extra firm'.
A typical block of raw Japanese-style silken tofu.
A typical block of raw Japanese-style silken tofu.
Illustration of a tofu seller (right) and a sōmen seller (left) by Tosa Mitsunobu, from the Songs of the Seventy-one Craftsmen (七十一番職人歌合, Shichijūichi
Illustration of a tofu seller (right) and a sōmen seller (left) by Tosa Mitsunobu, from the Songs of the Seventy-one Craftsmen (七十一番職人歌合, Shichijūichi-ban Shokunin Uta-awase), a poetry anthology written around 1500
Coagulated soy curds
Coagulated soy curds
Curds in a tofu mold
Curds in a tofu mold
Denaturation (biochemistry)
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Process of partial or total alteration of the native secondary, and/or tertiary, and/or quaternary structures of proteins or nucleic acids resulting in a loss of bioactivity.
Tofu
…Tofu (Japanese: 豆腐, Hepburn: Tōfu; Chinese: 豆腐; pinyin: dòufu; Korean: 두부; RR: dubu) or bean curd is a food prepared by pressing the curds of coagulated soy milk into solid white blocks of varying softness: 'silken', 'soft', 'firm', and 'extra (or super) firm'. It originated in China and has been consumed…
Shifts in normal pH range result in denaturation of enzymes. Decreasing the pH results in interactions between protons and amino acids, resulting in t
Shifts in normal pH range result in denaturation of enzymes. Decreasing the pH results in interactions between protons and amino acids, resulting in the breakage of existing hydrogen bonds.
In a normal reaction, the substrate is able to bind to the active site to create the enzyme substrate complex, ultimately catalyzing a reaction. A den
In a normal reaction, the substrate is able to bind to the active site to create the enzyme substrate complex, ultimately catalyzing a reaction. A denatured enzyme changes the shape of the active site, which prevents the substrate from binding to the enzyme active site. The enzyme is unable to perform its function, therefore loss of function.
The enzyme depicted has an optimal pH of 8.3, so its reaction rate is the highest at this pH. Significantly increasing or decreasing this reaction's p
The enzyme depicted has an optimal pH of 8.3, so its reaction rate is the highest at this pH. Significantly increasing or decreasing this reaction's pH can cause this enzyme to denature and, subsequently, decrease the reaction rate.