se the ing choies to anewer questions 21 and 22 in glume hnth at XSPC without 02
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se the ing choies to anewer questions 21 and 22 in glume hnth at XSPC without 02 hr 5 days b.Enú gnmí c both a and b the most lactic acid 21) Which cultue prohucoes A) a B) b O c DI d E) any of the choices (A-D) can be an answer 22) Which culture produces the most ATI A) a B) b Coe D) d E) any of the choices (A-D) can be an answer 23) Phosphoenolpyruvate is involved in all of the following processes EXCEPT A) ATT' production. B) substrate-level phosphorylation. C) glycolysis D) group translocation. E) lactic acid fermentation. 24) NADPH is produced in A) an anacrobic respiratory pathway B) the electron transport system. C) TCA cycle D) the pentose phosphate pathway E) glycolysis 25) In ethanol fermentation, the conversion of pyruvate into acetaldehyde and subsequently into ethanol is critical for the production of A) NADP B) NAD C) CO2 D) NADPH. E) NADH 26) Which statement is NOT true about aerobic respiration? A) External electron acceptor is used B) Compared to fermentation, more ATP is produced. C) Six CO2 are produced from one glucose. D) Electron transport occurs in the cytoplasmic membrane in prokaryotes E) Only oxidative phosphorylation is used for ATP production. 27) All of the following can be used as an electron acceptor by microbes EXCEPT A) H20 B)02 C)NO2 D) NO3 E) SO42-Explanation / Answer
Answer 21. Option B
Lactic acid is produced in anaerobic conditions, means when oxygen is absent.
Answer 22. Option a
ATP are produced more in aerobic Respiration. 1 molecule of glucose produces approx 36ATP. This respiration occurs in presence of oxygen.
Answer 23. Option e
Lactic acid fermentation is an anaerobic respiration process occuring in the absence of oxygen.
Answer 24. Option d
PPP is parallel to the metabolic pathway, glycolysis.
Answer 25. Option b
NAD+ is produced in ethanolic fermentation. Glucose is converted to Ethanol, very little energy in form of ATP is released.
Answer 26. Option c
2 molecules are produced from one glucose molecule.
Answer 27. Option b
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