Animal Cell

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Across
  1. 1. membrane, separates the interior of the cell from the outside environment
  2. 3. ER, endoplasmic reticulum that is tubular in form and lacks ribosomes
  3. 7. ER, to produce proteins for the rest of the cell to function
  4. 9. dense spherical structure in the nucleus of a cell during interphase
Down
  1. 1. the gelatinous liquid that fills the inside of a cell
  2. 2. organelle that contains digestive enzymes
  3. 4. generate most of the chemical energy needed to power the cell's biochemical reactions
  4. 5. the site of protein synthesis in the cell
  5. 6. the central and most important part of a cell
  6. 8. help sequester waste products