Cells

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  1. 2. A substance in which another substance is dissolved, forming a solution.
  2. 7. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.
  3. 8. differentiated structure within a cell, such as a mitochondrion, vacuole, or chloroplast, that performs a specific function.
  4. 9. minute round particle composed of RNA and protein that is found in the cytoplasm of living cells and serves as the site of assembly for polypeptides encoded by messenger RNA.
  5. 10. homogeneous mixture of two or more substances, which may be solids, liquids, gases, or a combination of these.
  6. 11. of two or more parts, elements, or ingredients: Soap is a compound substance.
  7. 15. of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in nonpolar organic solvents, are oily to the touch, and together with carbohydrates and proteins constitute the principal structural material of living cells.
  8. 16. A central or essential part around which other parts are gathered or grouped.
  9. 18. smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction.
  10. 19. Bound:1.A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other
Down
  1. 1. Acid:Any of a large group of organic acids, especially those found in animal and vegetable fats and oils.
  2. 3. component or constituent of a whole or one of the parts into which a whole may be resolved by analysis: Bricks and mortar are elements of every masonry wall.
  3. 4. Theory:the tenet in biology that cells are the basic units of structure and function in living organisms.
  4. 5. of the electrically charged particles formed in a gas by electric discharge or the like.
  5. 6. protoplasm outside the nucleus of a cell.
  6. 12. of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
  7. 13. of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids.
  8. 14. minor component in a solution, dissolved in the solvent
  9. 17. Bond:the electrostatic bond between two ions formed through the transfer of one or more electrons.