File:39. Што ќе се случи кога ќе се помешаат квасец и гликоза?.ogv
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[edit]Description39. Што ќе се случи кога ќе се помешаат квасец и гликоза?.ogv |
English: What happens when glucose and yeast are mixed together?
Procedures: 1. Water bath is to be prepared at 35-40 °C. 2. deflated balloons are to be attached to each Erlenmeyer flask carefully. 3. One Erlenmeyer flask is to serve as a temperature control, with 10% glucose and 8 grams of dry yeast to remain at room temperature during the experiment. 4. Erlenmeyer flasks with 10% glucose solution with 8 g yeasts, 10% glucose solution with 16 g yeast and distilled water with 8 g yeast are to incubated using the water bath. RESULS: Gas elaboration may be observed in each Erlenmeyer flask with glucose and yeast, with no visible reaction in the Erlenmeyer flask with water and yeast. Yeast cells degrade glucose to carbon dioxide gas and ethanol through aerobic respiration should oxygen be present in high amounts and glucose in low amounts, or through anaerobic fermentation should glucose be high in amounts as it is during the experiment. Planned and performed by Sofija Kostandinovska, Institute of Biology, FNSM, Ss. Cyril and Methodius University, Skopje, Macedonia.Македонски: Што ќе се случи кога ќе се помешаат квасец и гликоза?
Постапки: 1. Водената бања се загрева на 35-40 °C. 2. Балоните се ставаат внимателно на секој ерленмаер. 3. Ерленмаерот со 10% раствор на гликоза и 8 g квасец се остава на собна температура. 4. Ерленмаерите со 10% раствор на гликоза и 8 g квасец, 10% раствор на гликоза и 16 g квасец и дестилирана вода и 8 g квасец се ставаат на водена бања. РЕЗУЛТАТ: Се забележува присуство на гас во ерленмаерите во кои има квасец и гликоза, додека нема реакција во ерленмаерот со дестилирана вода и квасец. Квасците ја разградуваат гликозата до јаглероден диоксид и етанол преку аеробна респирација (во присуство на кислород и ниско ниво на гликоза), но способни се да преминат и на анаеробен процес (во отсуство на кислород, или, во аеробни услови, кога нивото на гликоза е многу високо). Осмислено и изведено од Софија Костандиновска, Институт за биологија, ПМФ, УКИМ, Скопје. |
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Source | Own work |
Author | Deni Ingilizovski |
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This biology experiment video was made within the Wikiexperiments 2022 set up by Shared Knowledge.
You can see all the videos in the category Biology Wikiexperiments. English | македонски | +/− |
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