This is a correct answer to the following question about Vitamin A. Yes or no? Answer: The carotenes alpha-carotene, beta-carotene, gamma-carotene; and the xanthophyll beta-cryptoxanthin (all of which contain beta-ionone rings), but no other carotenoids , function as provitamin A in herbivores and omnivore animals, which possess the enzyme (15-15'-dioxygenase) which cleaves beta-carotene in the intestinal mucosa and converts it retinol. Question: what is vitamin a for
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This is a correct answer to the following question about History of Africa. Yes or no? Answer: Crossing the Maghreb and the Sahel , a major center of Muslim culture was Timbuktu . Question: how were europe colonist able to establish population centers in southern africa
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This is a correct answer to the following question about Natural gas. Yes or no? Answer: Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane , but commonly including varying amounts of other hydrocarbons, carbon dioxide , nitrogen , and hydrogen sulfide . Question: Where are most of the natural gas
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This is a correct answer to the following question about Milwaukee Brewers. Yes or no? Answer: The Milwaukee Brewers are a professional baseball team based in Milwaukee , Wisconsin . Question: where did the money for the new scoreboard in milwaukee come from
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