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Cells

Cells. Cells store and use Energy. The energy that cells need comes originally from the sun Chloroplasts in plant cells trap light energy from the sun and change it into chemical energy The chemical energy is stored in bonds. Plant and Animal cells.

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Cells

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  1. Cells

  2. Cells store and use Energy • The energy that cells need comes originally from the sun • Chloroplasts in plant cells trap light energy from the sun and change it into chemical energy • The chemical energy is stored in bonds

  3. Plant and Animal cells • Chemical energy is stored in bonds between atoms of carbon, hydrogen, and oxygen • Both plant and animal cells break down the molecules by breaking the bonds • Energy is released when the bonds are broken • Cells can either use the energy or store it • The mitochondria in plant and animal cells use oxygen to release the energy in chemical bonds

  4. ATP • Cells store chemical energy In ATP molecules • When a cell needs energy, the ATP is broken down

  5. Cells store and use information • The nucleus of plant and animal cells is the control center of the nucleus • The nucleus contains DNA and RNA. • DNA has the instructions, or the code, for the entire cell • DNA and RNA work together to make proteins • DNA in the cell’s nucleus determines what kind of cell it is.

  6. Cell division • When a cell divides and becomes two cells, information needs to be passed on to the new cell • This means that the DNA doubles when a cell divides • A new cell contains the needed information to carry out all of the cell’s activities

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