Across
- 5. a membranous organelle that is the energy transformer of the cell
- 6. type of energy that directly powers the movement of matter
- 9. the jelly-like substance within the cell that provides the fluid medium necessary for biochemical reactions
- 10. ribose containing nucleotide that helps manifest the genetic code as protein
- 12. organelle that breaks downs and digests unneeded cellular components
- 14. an atom is most ___ when there are less electrons on their valence shell
- 15. carbohydrates, lipids, proteins, and nucleotides (carbon atoms bonded to hydrogen and usually oxygen)
- 17. the number of electrons the first electron shell can hold
- 18. an atoms negative shell causes them to ___ each other, so they never touch
- 22. a more or less stable grouping of two or more atoms held together by chemical bonds
- 24. the sum total of all chemical reactions that go on to maintain an organisms life and health
- 26. an atom is most ___ when there are 8 electrons on their valence shell
- 28. these atoms have a positive charge
- 30. energy emitted and transmitted as waves rather than matter
- 31. helps maintain cells structural integrity
- 32. has two covalent bonds linking its three phosphates and stores a significant amount of potential energy that helps to fuel the body’s activities
- 33. type of potential energy that is stored in chemical bonds
- 34. smallest quantity of an element
- 35. elements combine by chemical bonds to form this
Down
- 1. when a molecule is made up of two or more atoms of different elements
- 2. energy supplied by electrolytes in cells and body fluids that transmit impulses in nerve and muscle cells
- 3. water, salt, acids, and bases (substances that do not contain BOTH carbon and hydrogen
- 4. organelle responsible for sorting, modifying, and shipping off products that come from the rough ER
- 7. system of channels continuous with the nuclear membrane
- 8. an atoms outermost electron shell
- 10. cellular organelle that functions in protein synthesis
- 11. a layer of electrons that encircle the nucleus at a distinct energy level
- 13. cell’s central organelle containing DNA
- 16. membrane part of cell that separates the inner contents of a cell from its exterior environment
- 19. “little organ” each performing a unique function, they work together to keep the cell healthy
- 20. the organelles and cytosol compose the cell’s…
- 21. these atoms have a negative charge
- 23. thse bonds hold together substances that are used by the body for critical aspects of homeostasis, signaling, and energy production. These include ionic, covalent, and hydrogen bonds
- 25. the the number of electrons an electron shell can hold (except the first one)
- 27. nucleotide that sores genetic information
- 29. these atoms have no charge