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Suggest with a reason, the possible identity of food sample A and B (4 marks) Suggest the possible identity of the gaseous product of food samples A and B (1 mark) Explain how anaerobic respiration has been applied in making of beer and wines (3 marks)

Biology

ScanSolve AI Answer

hapa kuna majibu kwa swali la 2:

a)

  • Sampuli ya chakula A: Inawezekana ni glukosi (sukari rahisi) au wanga. Sababu: Glukosi huweza kupumuliwa haraka na kutoa dioksidi kaboni kwa kasi zaidi, hivyo kusababisha kalsiamu hidroksidi kugeuka nyeupe kwa muda mfupi (dakika 15).
  • Sampuli ya chakula B: Inawezekana ni mafuta au protini. Sababu: Mafuta na protini hupumuliwa polepole zaidi ikilinganishwa na glukosi, hivyo huchukua muda mrefu (dakika 50) kutoa dioksidi kaboni ya kutosha kugeuza kalsiamu hidroksidi kuwa nyeupe.

b) Bidhaa ya gesi inayotokana na sampuli za chakula A na B ni dioksidi kaboni (CO2\text{CO}_2).

c) Uvukizaji hewa (anaerobic respiration) hutumika katika utengenezaji wa bia na divai kupitia mchakato unaoitwa fermentation.

  • Chachu (yeast), ambayo ni viumbe vidogo, huongezwa kwenye malighafi zenye sukari (kama vile shayiri kwa bia na zabibu kwa divai).
  • Katika mazingira yasiyo na oksijeni, chachu hupumua sukari bila kutumia oksijeni, na kutoa ethanol (pombe) na dioksidi kaboni kama bidhaa.
  • Ethanol ndiyo kiambato kikuu cha pombe katika bia na divai, huku dioksidi kaboni ikisababisha povu au gesi katika vinywaji hivyo.
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