Ayeast cell is transported from an environment with oxygen to a completely oxygen-free environment. which of the following answer choices best describes the metabolic changes that will occur in the yeast cell? choose 1 choose 1 (choice a) a glycolysis will still occur and pyruvate will undergo alcohol fermentation, but the krebs cycle and oxidative phosphorylation will not occur. (choice b) b glycolysis will still occur, but pyruvate will not form, causing the yeast cell to undergo alcohol fermentation. (choice c) c glycolysis will still occur, pyruvate will still form, causing the yeast cell to undergo lactic acid fermentation. (choice d) d glycolysis will not occur and pyruvate will not form, causing the yeast cell to undergo alcohol fermentation.