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Across
  1. 1. It is the smallest unit of an organism and performs the three vital functions: nutrition, relation and reproduction.
  2. 3. It is the layer that surrounds the cell and protects it from the external environment, light and temperature. It allows the function of nutrition, letting nutrients in and wastes out.
  3. 4. It directs the behavior of the cell. It's where genes and, therefore, the genetic characteristics of all living beings are found.
  4. 5. It is responsible for providing energy for the cell.
  5. 6. It gives plants their green color and allows them to produce their own food by making sugars for photosynthesis. It is only present in the plant cell.
Down
  1. 1. Coats the cell membrane and provides support to the plant so that it stands upright, is firm and rigid and can grow tall. It is only present in the plant cell.
  2. 2. Stores biochemicals and supports cell growth
  3. 4. It is a gel-like liquid substance to hold all parts of the cell in place.