biology

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Across
  1. 3. membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions
  2. 4. The clear, yellowish, fluid part of the blood that carries the blood cells
  3. 5. organisms whose cells lack a nucleus and other organelles.
  4. 7. organisms whose cells contain a nucleus and other membrane-bound organelles.
  5. 8. separates the interior of the cell from the outside environment.
  6. 10. the structure in a cell that contains the chromosomes
Down
  1. 1. a membrane-bound cell organelle.
  2. 2. a membrane-bound cell organelle that contains digestive enzymes.
  3. 6. a sub-cellular structure that has one or more specific jobs to perform in the cell
  4. 9. a mass of cytoplasm that is bound externally by a cell membrane.