Without this molecule, cellular respiration does not happen,because it is the final electron acceptor. What is it?
| | O2 |
| | water |
| | FADH2 |
| | CO2 Yeasts are single-celled eukaryotes that don't have amitochondrion. Can they exist in an environment without oxygen? | | Yes, yeasts can exist in an oxygen-poor environment. They willonly be able to produce 2 net ATP via fermentation, but the absenceof oxygen will not kill the organisms. | | | No, the presence of oxygen will kill yeast because they will notbe able to undergo fermentation. Sugar is \"quick energy\" because provides energy to the celldirectly, whereas carbohydrates like starch must be broken downbefore the body can utilize the energy. True False Deciduous trees have leaves that typically change color in theautumn. This is due to the fact that chlorophyll is reabsorbed intothe tree, but leaves the carotenoids, which appear yellow andorange to the human eye. True False |
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