Science

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Across
  1. 4. a cell organelle that contains
  2. 5. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.
  3. 7. complex a cell organelle that helps make a
  4. 8. a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
  5. 11. theoory All living things are made up of one or more cells
  6. 12. wall 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.
  7. 14. the taking in of matter by a living cell by invagination of its membrane to form a vacuole
  8. 15. a plastid that contains chlorophyll and in which photosynthesis takes place.
  9. 17. system a group of organs that work together in the body to perform a complex function, such as pumping blood or processing and utilizing nutrients
  10. 19. the diffusion of water throughout semipermeable
  11. 21. the intermingling of substances by the natural movement of their particles
Down
  1. 1. a green pigment that captures light energy for photosynthesis
  2. 2. enzymes
  3. 3. the organelles that is the site of cellular respiration
  4. 6. a cell organelle composed of RNA
  5. 9. a substance that cannot be separated or broken
  6. 10. acid molecules made up of substances called nucleotide
  7. 13. the cytoplasmic network of protein
  8. 16. a collection of tissues that structurally form a functional unit specialized to perform a particular function
  9. 18. the smallest unit of an element that maintains the properties
  10. 20. the arrangement of part is an organism