Biology, 24.11.2020 17:20 lamontcarter
You engineer bacteria to secrete a costly enzyme to degrade cellulose. Extracellular degradation of cellulose generates sugar that the bacteria eat. You observe that in a well-mixed bioreactor with cellulose, the population of bacteria grows well for several generations, but then ends up dying off. A) Give a proximate mechanistic explanation for this observation. (2 points) B) Give an ultimate evolutionary explanation for this observation (2 point) C) Would you expect removing the ultimate or the proximate cause of the population crash to have a longer-term effect? Explain your answer
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African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.
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You engineer bacteria to secrete a costly enzyme to degrade cellulose. Extracellular degradation of...
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