Biology
What forms the outer boundary of a cell and controls material moving in and out of the cell?
More Questions from Biology
What "trapdoor" on your windpipe helps keep out food particles?
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Which of the following common foods originated in the tropics?
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What light-sensitive cells in the eye detect colors?
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Which of these is the oddest trait of a Dalmatian puppy?
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Which of the following correctly names the top layer of the rain forest?
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What bird became extinct when settlers came to the island and let loose rats, which killed the birds?
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What part of the plant does most of the photosynthesis?
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