Biology vocabulary Ch 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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| independent variable | the variable deliberatly changed.
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| dependent variable | the variable kept the same throughout the whole process.
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| constant | .
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| control | the group everything is compared to.
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| ionic bonds | atoms/molecules gain or lose electrons.
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| covelant bonds | two or more atoms share electrons.
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| atom | the smallest unit of an element that maintains the properties of that element.
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| molecule | the smallest unit of a substance that keeps all of the physical and chemical properties of the substance.
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| compound | a substance made of atoms of two or more different elements joined by chemical means.
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| element | a substance that cannot be seperated or broken down into simpler substances by chemical means.
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| electron | negative, around the nucleus.
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| neutron | neutral, around nucleus.
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| proton | positive, around nucleus.
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| carb | Lugol's Iodine, Benedict's, simple sugars, provide us with energy, bread pasta.
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| protein | Biuret's, amino acid, catalysts transport movement protection immune growth, meat eggs.
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| lipid | Sudan III, fatty acids and glycerol, energy storage and cell structure, oils butter.
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| nucleic acid | nucleotides, direct all cell processes, DNA RNA.
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| acids | pH of 0-7.
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| bases | pH of 7-14.
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| organic molecules | macromolecule and biomolecule. A large molecule made up of many smaller molecules.
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| Enzymes | enzymes are catalysts, which are substances that reduce the activation energy of a chemical reaction.
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| enzyme: substrate: | toothpick-ase:toothpick.
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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.
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.
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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Created by:
MadelynI
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