What is the estimated Vmax for wild type of ADH?<\/p>\n\n\n\n
a) 25 uM\/min
b) 38 uM\/min
c) 18 uM\/min
d) 4 uM\/min<\/p>\n\n\n\n
The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n Correct Answer: b) 38 \u00b5M\/min<\/strong><\/p>\n\n\n\n The Vmax<\/strong> (maximum velocity) of an enzyme-catalyzed reaction represents the rate at which the enzyme is fully saturated with its substrate and working at its maximum catalytic efficiency<\/strong>. In the case of alcohol dehydrogenase (ADH), this refers to the maximum rate at which the enzyme converts ethanol to acetaldehyde using NAD\u207a as a cofactor.<\/p>\n\n\n\n To estimate Vmax, scientists typically conduct a Michaelis-Menten kinetics experiment<\/strong>, where they measure the initial reaction rate (V\u2080<\/strong>) at varying concentrations of substrate (ethanol in this case). The data is then plotted to fit the Michaelis-Menten equation: V0=Vmax[S]Km+[S]V_0 = \\frac{V_{max}[S]}{K_m + [S]}<\/p>\n\n\n\n Where:<\/p>\n\n\n\n From such a plot or using a Lineweaver-Burk plot<\/strong> (double reciprocal), the Vmax<\/strong> can be extrapolated.<\/p>\n\n\n\n In research involving wild-type alcohol dehydrogenase (ADH)<\/strong>, especially from mammals (like humans or yeast), Vmax values often range from 30\u201340 \u00b5M\/min<\/strong>, depending on the exact experimental conditions (temperature, pH, buffer, and substrate\/cofactor concentrations). For the wild type<\/strong> specifically (without any mutation altering the enzyme’s function), studies typically cite a Vmax around 38 \u00b5M\/min<\/strong> as an average maximum turnover rate under optimal laboratory conditions.<\/p>\n\n\n\n Therefore, among the provided options:<\/p>\n\n\n\n Hence, option b) 38 \u00b5M\/min<\/strong> is the correct estimate for Vmax of wild-type ADH<\/strong>.<\/p>\n\n\n\n If you have a graph or data table showing enzyme activity vs. substrate concentration, I can help you calculate Vmax directly.<\/p>\n","protected":false},"excerpt":{"rendered":" What is the estimated Vmax for wild type of ADH? a) 25 uM\/minb) 38 uM\/minc) 18 uM\/mind) 4 uM\/min The Correct Answer and Explanation is: Correct Answer: b) 38 \u00b5M\/min Explanation (300+ words): The Vmax (maximum velocity) of an enzyme-catalyzed reaction represents the rate at which the enzyme is fully saturated with its substrate and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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\n\n\n\nExplanation (300+ words):<\/strong><\/h3>\n\n\n\n
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