cells Waiaka

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Across
  1. 3. a small dense spherical structure in the nucleus of a cell during interphase.
  2. 6. the material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.
  3. 8. singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.
  4. 9. Cytoplasm is the gelatinous liquid that fills the inside of a cell. It is composed of water, salts, and various organic molecules. Some intracellular organelles, such the nucleus and mitochondria, are enclosed by membranes that separate them from the cytoplasm.
  5. 10. a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
  6. 12. Controls and regulates everything in
  7. 13. a membrane-bound cell organelle that contains digestive enzymes
Down
  1. 1. a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.
  2. 2. a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants it consists mainly of cellulose.
  3. 4. a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
  4. 5. (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
  5. 7. the semipermeable membrane surrounding the cytoplasm of a cell.
  6. 11. a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.