Review of chapters 1 and 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| responsiveness | organisms respond to changes in their immediate environment
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| growth | organisms increase in size through the growth of cells, the simplest units of life
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| reproduction | organisms reproduce, creating new generations of similar organisms
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| movement | organisms are capable of producing movement, which may be internal or external
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| metabolism | organisms rely on complex chemical reactions to provide the energy required for responsiveness, growth, reproduction, & movement
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| human physiology | the study of the functions of the human body
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| cell physiology | the study of the functions of living cells
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| special physiology | the study of the physiology of specific organs
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| systemic physiology | considers all aspects of the function of specific organ systems
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| elements | all matter composed of substances
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| atoms | smallest, stable unit of matter
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| protons | positive electrical charge
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| neutrons | neutral; uncharged
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| electrons | negative electrical charge
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| isotopes | elements can differ in terms of the number of neutrons in the nucleus
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| mass number | total number of protons & neutrons in the nucleus
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| cation | atom that loses more electrons than it has protons; positively charged
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| anion | atom that gains more electrons than it has protons; negatively charged
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| covalent bond | sharing electrons with other atoms
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| catalysts | accelerate chemical reactions without themselves being permanently charged
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| nutrients | essential elements & molecules obtained from the diet
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| metabolites | all the molecules synthesized or broken down by chemical reactions inside our bodies
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| inorganic compound | small; without carbon & hydrogen
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| organic compound | large & complex; with carbon & hydrogen
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| Properties of Water | (1)essential reactant in the chemical reactions of living systems; (2) very high heat capacity; (3) excellent solvent
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| normal pH | 7.35 - 7.45
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| monosaccharides | a carbohydrate that has 3 to 7 carbons (ex: glucose)
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| disaccharides | formed by two monosaccharides joined together (ex: sucrose)
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| polysaccharides | formed by many monosaccharides (ex: glycogen)
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| saturated | four single covalent bonds of each carbon atom
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| unsaturated | double covalent bonds; carbon-to-carbon
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| fatty acids | long chains of carbon atoms with attached hydrogen atoms that end in -COOH, which doesn't dissolve in water
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| lipids | contains carbon, hydrogen & oxygen with a ratio of 1:2:1 (ex: fats, oils, waxes)
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| buffer | stabilizes pH by either removing or replacing hydrogen ions
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| salt | an ionic compound consisting of any cation except a hydrogen ion & any anion except a hydroxide ion
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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