Human Anatomy Chap. 2 Vocab

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Across
  1. 2. - a stable subatomic particle occurring in all atomic nuclei
  2. 3. - the smallest unit of ordinary matter that forms a chemical element
  3. 5. Molecules that have carbon and hydrogen atoms are
  4. 11. - a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
  5. 13. - release hydroxide or other ions that react with hydrogen ions
  6. 16. organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents
  7. 17. having electrical or magnetic polarity
  8. 18. - in which larger molecules are broken down into smaller particles
  9. 21. a subatomic particle of about the same mass as a proton but without an electric charge
  10. 22. - capable of being reversed so that the previous state or situation is restored
  11. 25. acids biopolymers, or large biomolecules, essential to all known forms of life
  12. 26. reactions in which the parts of two different molecules trade positions
  13. 27. Composed of atoms
  14. 28. in which larger molecules form from smaller particles
  15. 29. An atom consists of one or more
  16. 31. - the basic building block of nucleic acids
  17. 32. a type of fat (lipid) found in your blood
  18. 35. bond a primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group
  19. 36. formula a chemical compound is a graphic representation of the molecular structure
  20. 37. - large biomolecules and macromolecules that comprise one or more long chains of amino acid residues
  21. 38. - a man-made version of chemicals, known as hormones, that are made naturally in the human body
  22. 39. - Electrolytes that release hydrogen ions
  23. 42. atoms with the same atomic number but different atomic weights
  24. 44. Composed of elements
Down
  1. 1. bonds a chemical bond that involves the sharing of electron pairs between atoms
  2. 2. - a group of polar lipids that consist of two fatty acids
  3. 4. acids - organic compounds that contain amino and carboxylate
  4. 6. an atom or molecule with a net electrical charge
  5. 7. the most basic form of carbohydrates
  6. 8. play a role in the reactions of protein synthesis
  7. 9. - a simple polyol compound
  8. 10. store information that cell parts use to construct specific protein molecules
  9. 12. formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule
  10. 14. - able to dissolve other substances
  11. 15. acids the building blocks of the fat in our bodies and in the food we eat
  12. 17. represents a solution’s concentration of hydrogen ions (H+) and hydroxide ions (OH−).
  13. 19. bonds a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
  14. 20. Other molecules
  15. 23. - minerals in your body that have an electric charge
  16. 24. a membrane-bound organelle that contains the cell's chromosomes
  17. 30. bonds - a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
  18. 31. A solution with equal numbers of H+ and OH− is
  19. 33. provide much of the energy that cells require and also contribute to cell structure
  20. 34. - the composition of substances and how chemicals react with each other
  21. 40. chemicals that resist pH change.
  22. 41. - a group of atoms bonded together
  23. 43. provide a variety of ions that metabolic processes require