Cells Carry Out Many Chemical Processes, Some of Which Produce

question 65

Multiple Choice

Cells carry out many chemical processes, some of which produce toxic by-products. If you were designing a cell, which of the following would provide the best method of protecting the cell from its own toxic by-products while allowing it to complete the chemical reactions necessary for life?

• A)Modify the cell membrane so that the toxin could diffuse to the outside of the cell but not reenter.
• B)Isolate the toxin-producing reactions within an organelle.
• C)Improve the photosynthetic process to produce more energy.
• D)Devise a noncarbon-based cellular chemistry that does not result in toxin production.

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