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Catalase is a tetramer of four polypeptide chains, each over 500 amino acids long. [7] It contains four iron-containing heme groups that allow the enzyme to react with hydrogen peroxide. The optimum pH for human catalase is approximately 7, [8] and has a fairly broad maximum: the rate of reaction does not change appreciably between pH 6.8 and 7 ...
Acatalasia is an autosomal recessive peroxisomal disorder caused by absent or very low levels of the enzyme catalase. [2] Catalase breaks down hydrogen peroxide in cells into water and oxygen. Low levels of catalase can cause hydrogen peroxide to build up, causing damage to cells.
Ibarra table chocolate Ibarra table chocolate. Ibarra is a brand of Mexican chocolate para mesa (English: "table chocolate"), produced since 1925, [1] and since 1954 produced by the company Chocolatera de Jalisco of Guadalajara, Jalisco, Mexico.
The katal (symbol: kat) is that catalytic activity that will raise the rate of conversion by one mole per second in a specified assay system. [1] It is a unit of the International System of Units (SI) [1] used for quantifying the catalytic activity of enzymes (that is, measuring the enzymatic activity level in enzyme catalysis) and other catalysts.
العربية; Azərbaycanca; Башҡортса; Беларуская; Български; Bosanski; Català; Čeština; Cymraeg; Dansk; Deutsch; Eesti ...
The Vietnam Academy of Science and Technology (VAST; Vietnamese: Viện Hàn lâm Khoa học và Công nghệ Việt Nam) is the largest and most prominent research institute in Vietnam. It was founded on 20 May 1975 as the Vietnam Academy of Science , then subsequently assumed its current name in 2008.
Actinobacillus pleuropneumoniae is a nonmotile, Gram-negative, encapsulated coccobacillus bacterium found in the family Pasteurellaceae. [4] [5] It exhibits β-hemolysis activity, [6] thus explaining its growth on chocolate or blood agar, but must be supplemented with NAD ('V factor') to facilitate growth for one of its biological variants (biovar 1). [3]
Tien Chu Ve-Tsin Chemical Limited (Chinese: 天厨味精; pinyin: Tiānchú Wèijīng) is a Chinese manufacturer of honey by-products, food chemicals and additives including monosodium glutamate (MSG). [1] Founded in Shanghai in 1921, the firm also had operations in Hong Kong (established in 1937). Wu Zhifan became CEO of Tien Chu Ve-Tsin. [2]