Term
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Definition
| Atoms -> Molecules -> Organelles -> Cells -> Tissues |
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Term
| Requirements for Organisms |
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Definition
| Water, Food, Oxygen, Heat, Pressure |
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Term
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Definition
| Maintenance of a stable internal environment is called Homeostasis. |
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Term
| Homeostatic mechanisms help... |
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Definition
| Homeostatic mechanisms help regulate body temperature and blood pressure. (shiver response) |
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Term
| Integration and coordination |
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Definition
| Both the nervous system and endocrine system integrate and coordinate. |
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Term
#
An elements atomic number is equal to... |
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Definition
| An elements atomic number is equal to the number of protons in an atom. |
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Term
lb
An elements atomic weight is equal to... |
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Definition
| An elements atomic weight is equal to the number of protons plus the number of neutrons in each atom. |
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Term
| When atoms ________ they gain, lose, or share electrons. (not the same as hydrogen bonding) |
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Definition
| When atoms combine they gain, lose, or share electrons. |
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Term
| Atoms with completely filled outer shells are _____, but atoms with incompletely filled outer shells tend to gain, lose, or share electrons and thus achieve stable structures. |
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Definition
| Atoms with completely filled outer shells are inert, but atoms with incompletely filled outer shells tend to gain, lose, or share electrons and thus achieve stable structures. |
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Term
| Atoms that lose electrons become ______ charged ions. (cations) |
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Definition
| Atoms that lose electrons become positively charged ions. (cations) |
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Term
| Atoms that gain electrons become ______ charged ions. (anions) |
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Definition
| Atoms that gain electrons become negatively charged ions. (anions) |
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Term
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Definition
| The attraction of the positive hydrogen end of a polar molecule to the negative nitrogen or oxygen end of another polar molecule is called a hydrogen bond. |
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Term
| The three types of chemical reactions |
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Definition
Synthesis A + B -> AB
Decomposition AB -> A + B
Exchange reaction AB + CD -> AC + BD |
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Term
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Definition
| The pH value represents a solutions's concentration of H+ |
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Term
| Ribosomes function in ______ synthesis. They are made of ____ and ____ in the _______. |
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Definition
| Ribosomes function in protein synthesis. They are made of protein and RNA in the nucleus. |
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Term
| Mitochondria contain ______ that catalyze reactions that ____ energy from nutrient molecules. |
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Definition
| Mitochondria contain enzymes that catalyze reactions that release energy from nutrient molecules. |
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Term
| Receptor-mediated endocytosis |
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Definition
| Receptor-mediated endocytosis moves specific types of particles into cells. Ligands are requires for attachment and are protein specific. |
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Term
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Definition
| Mitosis is the division and distribution of complete sets of genetic material to new cells, increasing cell number. |
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