Chapter 2
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| Atoms | Composed of subatomic particles. Contains protons, neutrons and electrons.
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| Nucleus | Central part of atom, composed of protons and neutrons. Electrons move around it.
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| Molecule | Particles formed when 2 or more atoms chemically combine.
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| Compound | Particle formed when 2 or more atoms of different elements chemically combine.
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| Molecular Formula | Depicts elements present and # of atoms prsent.H2O
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| Covalent Bonds | Formed when atoms share electrons
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| Structural Formula | Shows how atoms bond and are arranged.
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| Hydrogen Bonds | Weak attraction between + end of a polar molecule and - end of another polar molecule. Formed between water molecules.
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| Proteins | Structural materials, energy sources, chemical messangers and when combined with carbs, function as receptors.
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| Enzymes | Speed chemical reactions without being consumed.
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| Primary Protein | The amino acid sequence of the polypeptide chain.
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| Secondary Protein | Pleated or twisted to form a coil.
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| Tertiary Protein | Secondary shapes fold into a unique 3D structure.
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| Quaternary | Two or more chains may be connected to form a singel protein molecule.
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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:
merobbins
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