The main components of the cell : nucleus, cytoplasm and shell. Organelles and their structure and function.

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Across
  1. 5. Actin filaments, microtubules, and intermediate filaments form this dynamic scaffold.
  2. 7. Non-membranous complex translating mRNA into amino acid chains.
  3. 8. Stacked cisternae where proteins receive glycosylation and are sorted into vesicles.
  4. 9. Non-membrane-bound nuclear body specializing in rRNA synthesis and ribosome assembly.
  5. 11. In plants, its osmotic potential regulates turgor pressure.
  6. 13. Rigid extracellular matrix of cellulose or chitin, absent in animals.
  7. 14. Semi-fluid matrix where glycolysis and the pentose phosphate pathway initiate.
Down
  1. 1. Cristae increase its surface area for the electron transport chain.
  2. 2. Diverse plant organelles including amyloplasts for starch, chromoplasts for pigments.
  3. 3. Acidic vesicle housing hydrolases, essential for autophagy.
  4. 4. Structure stabilized by amphipathic molecules arranged tail-to-tail, crucial for selective permeability.
  5. 5. Condensed DNA-protein structures visible during metaphase.
  6. 6. Double-membraned structure where transcription is compartmentalized away from translation.
  7. 10. Site of light-dependent reactions in thylakoid membranes.
  8. 12. Short, numerous, motile projections built from microtubules in a 9+2 arrangement.
  9. 15. ER Detoxifies hydrophobic compounds and manufactures phospholipids; continuous with the nuclear envelope.