Don't Cell-ebrate too early

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Across
  1. 2. Jacket over the cell membrane.
  2. 5. A steroid that can change the permeability
  3. 6. A tight polysaccharide layer on bacteria, or a type of pill
  4. 8. What is selectively permeable?
  5. 10. A cell membrane substance that rhymes with "echoic carasid"
  6. 11. A chain of aminoacids and sugars
Down
  1. 1. Jelly-like supporting matrix of a cell.
  2. 3. My head loves water, but tail hates water.
  3. 4. A region of genetic goop in prokaryotes.
  4. 7. Once upon a time, classified as bacteria.
  5. 9. Theodore settled for an absolute unit.