Ray's Stack Word Scramble
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| Term | Definition |
| True or False: The number of negatively charged electrons moving around an atom’s nucleus equals the number of positively charged protons in the nucleus. | True |
| Sometimes called the atomic mass. It equals the number of protons plus the number of neutrons in the atom’s nu-cleus. | Mass Number |
| the smallest and most numerous structural units that possess and exhibit the basic characteristics of living matter. | Cells |
| —the “powerhouses” of cells that provide energy needed by the cell to carry on day-to-day function-ing, growth, and repair | Mitochondria |
| Set of sacs that provides a “packaging” service to the cell by storing material for future internal use or for export from the cell | Golgi Apparatus |
| A structure made of molecules organized in such a way that it can perform a specific function. | Organelle |
| Combinations of atoms form larger chemical groupings | Molecules |
| The sum total of all the physical and chemical reactions occurring in the body | Metabolism |
| A large and important class of lipids whose molecules have as their main feature the steroid nucleus | Steroids |
| Cholesterol is aArounding every body cell | Cholesterol |
| Often called tissue hormones, are lipids com-posed of a 20-carbon unsaturated fatty acid that contains a 5-carbon ring ( | Prostaglandins |
| Four of these major elements make up about 96% of the material in the human body | —carbon, oxygen, hydrogen, and nitrogen— |
| True or False The total number of electrons in an atom equals the number of protons in its nucleus | True |
| The area where the cells of the epidermis meet the connective tissue cells of the dermis is the | dermoepidermal junction (DEJ) |
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