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4 Cards in this Set
- Front
- Back
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What are the three main ideas of cell theory?
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All living things are made of one or more cells. The cells is the basic unit of life in which activities of life occur. All cells come from cells that already exist.
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Why is the nucleus so important to the living cell?
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The nucleus controls most of the cell's activities.
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How do cells get the energy they need to carry on their activities?
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The cell's mitochondria release energy by combining food molecules and oxygen during cellular respiration.
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What is the purpose of all cell membraines?
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To hold the cell together and helps control what enters and leave the cell.
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