This system is responsible for metabolizing alcohol at high concentrations. Alcohol dehydrogenase system (ADS) Microsomal ethanol oxidizing system (MEOS) Cytochrome metabolizing system (CMS) Acetaldehyde metabolizing system (AMS)
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Breanna O.
Which alcohol metabolic pathway is utilized with low to moderate consumption of alcohol? 1. Enzymes 2. Alcohol Dehydrogenase 3. Microsomal ethanol oxidizing system 4. Catalase Pathway High alcohol consumption may result in a deficiency in which of the following nutrients? a. Vitamin A b. Zinc c. B-6 d. Thiamin e. All of the above Alcohol enters the citric acid cycle as...? 1. Pyruvate 2. Methane 3. Acetyl CoA 4. Fatty Acids An alcoholic beverage with 15 g alcohol provides ______ kcal from alcohol. a. 15 b. 60 c. 105 d. 135 Alcohol is metabolized like which macronutrient? a. Fat b. Carbohydrate c. Protein d. Vitamin C In alcohol metabolism, the ADH pathway has the potential to generate ATP while the MEOS pathway uses potential ATP. a. ADH; Catalase b. Catalase; MEOS c. MEOS; ADH d. ADH; MEOS
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The enzyme alcohol dehydrogenase (ADH) catalyzes the final step of alcoholic fermentation. However, the enzyme also occurs in humans and functions under aerobic conditions to oxidize ethanol in the liver. Ethanol consumption leads to a dramatic decrease in the NAD+ concentration, resulting in a decrease in aerobic utilization of glucose in liver cells. Most of the unpleasant effects of hangovers result from an accumulation of acetaldehyde and its metabolites. The acetaldehyde comes from the metabolism of ethanol. Methanol is not just an intoxicant; it is a deadly poison due to the toxic effect of the formaldehyde to which it is converted in the liver. The medical treatment for methanol poisoning usually involves administration of large doses of ethanol. This treatment is effective because ethanol competes with methanol for alcohol dehydrogenase, reducing the conversion of methanol to formaldehyde.
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