science

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Across
  1. 1. a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical units
  2. 5. Membrane, The cell membrane is a biological membrane that separates the interior of all cells from the outside environment and protects the cell from its environment.
  3. 6. a process by which cells absorb external material by engulfing it with the cell membrane
  4. 8. acids, the building blocks of the fat in our bodies and in the food we eat
  5. 10. a group of polar lipids that consist of two fatty acids, a glycerol unit and a phosphate group
  6. 11. being a solution that is unable to absorb or dissolve any more of a solute at a given temperature and pressure
  7. 14. a biological membrane that separates the interior of all cells from the outside environment and protects the cell from its environment
  8. 15. a cellular process for ingesting and eliminating particles larger than 0.5 μm in diameter, including microorganisms, foreign substances, and apoptotic cells.
  9. 16. lipids with a carbohydrate attached by a glycosidic (covalent) bond.
  10. 17. large biomolecules and macromolecules that comprise one or more long chains of amino acid residues
  11. 20. Diffusion is the net movement of anything generally from a region of higher concentration to a region of lower concentration
  12. 23. a molecule consists of a glycerol backbone esterified with three fatty acids
  13. 24. the smaller units from which larger molecules are made
  14. 27. a macro biomolecule that is soluble in nonpolar solvents
  15. 29. the transport of a solvent through a semipermeable membrane that separates two solutions of differing solute concentration.
  16. 30. chemical reaction whereby a water molecule is lost
  17. 31. having opposite extremes
  18. 33. A solution that contains more dissolved particles
  19. 34. a trihydroxy sugar alcohol with three carbon atoms and three hydroxyl groups
  20. 36. a type of solution wherein the solvent is water
  21. 37. Respiration, a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate, and then release waste products.
  22. 38. A salt of phosphoric acid.
Down
  1. 1. a process by which liquid droplets are ingested by living cells
  2. 2. the component of a solution that changes its state in forming the solution or the component that is not present in excess
  3. 3. the surroundings or conditions in which a person, animal, or plant lives or operates.
  4. 4. A chemical reaction in which water is used to break down a compound;
  5. 5. the gelatinous liquid that fills the inside of a cell
  6. 7. a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol.
  7. 9. a property of a substance that repels water
  8. 12. a chemical compound containing both polar and nonpolar portions in its structure
  9. 13. A liquid in which substances (or solutes) are dissolved forming a solution
  10. 18. when fewer than the maximum possible number of hydrogen atoms are bonded to each carbon in the molecule.
  11. 19. a form of active transport and bulk transport in which a cell transports molecules out of the cell
  12. 21. capable of being permeated
  13. 22. aving a strong affinity for water
  14. 25. a state in which opposing forces or influences are balanced.
  15. 26. the composition or combination of parts or elements so as to form a whole.
  16. 28. A sterol or a modified steroid that is synthesized by animal cells to become an essential component of animal cell membranes
  17. 32. molecules in which the bonds are equal because the electrons are shared equally
  18. 35. bilayer, a thin polar membrane made of two layers of lipid molecules