Chapter 2 Section 2 Terms
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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energy | the ability to do work
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chemical reaction | happens when one or more substances change to produce one or more different substances
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reactant | shown on the left side of an equation
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product | shown on the right side of an equation
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metabolism | the term used to describe all of the chemical reactions that occur in an organism
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activation energy | the amount of energy needed to start a reaction
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catalyst | chemical substances that reduce the amount of activation energy that is needed for a reaction to take place
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enzyme | a protein or RNA molecule that speeds up metabolic reactions without being permanently changed or destroyed
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redox reaction | reactions in which electrons are transferred between atoms and are known as oxidation reduction reactions
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oxidation reaction | a reactant loses one or more electrons, thus becoming more positive in charge
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reduction reaction | when a reactant gains one or more electrons, thus becoming more negative in charge
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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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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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