CELLS

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Across
  1. 1. the material or protoplasm within a living cell, excluding the nucleus.
  2. 2. a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid
  3. 4. meshwork of fine disklike tubular membrane vesicles
  4. 5. any of numerous minute particles in the cytoplasm of cells
  5. 8. series of connected flattened sacs
  6. 9. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
Down
  1. 1. the semipermeable membrane surrounding the cytoplasm of a cell.
  2. 3. A stack of small flat sacs formed by membranes inside the cell's cytoplasm
  3. 6. "the powerhouse of the cell"
  4. 7. a small dense spherical structure in the nucleus of a cell during interphase.