Biology Crossword

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Across
  1. 2. a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
  2. 3. refers to any one of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue.
  3. 5. a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
  4. 7. a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells.
  5. 8. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
  6. 10. a thin sheet of tissue or layer of cells acting as a boundary, lining, or partition in an organism.
  7. 11. is the net movement of anything (for example, atom, ions, molecules) from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration.
  8. 12. a thick solution that fills each cell and is enclosed by the cell membrane.
Down
  1. 1. is a structure within or outside a cell, consisting of liquid or cytoplasm enclosed by a lipid bilayer.
  2. 4. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
  3. 6. a plastid that contains chlorophyll and in which photosynthesis takes place
  4. 9. the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
  5. 11. a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes