sciences

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Across
  1. 1. has ribosomes on its surface and makes proteins to export.
  2. 6. apparatus stacks of flattened sacs.
  3. 7. They break down excess or worn-out cell parts
  4. 8. is a biological membrane that separates the interior of all cells
  5. 10. are organisms whose cells have a nucleus enclosed within a nuclear envelope
  6. 11. is a structural layer surrounding some types of cells
  7. 13. is a large vacuole found inside of plant cells
  8. 14. is a cellular organism that lacks an envelope-enclosed nucleus.
Down
  1. 2. site of protein synthesis.
  2. 3. contain the green pigment chlorophyll
  3. 4. Lacks ribosomes and makes lipids and proteins used in the cells.
  4. 5. active cells like muscles have more ____
  5. 9. any member of the most important class of pigments involved in photosynthesis
  6. 11. are the basic unit of structure in an organiism.
  7. 12. controls the normal activities of the cell.