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Definition
| The scientific discipline that seeks to describe life at the molecular level |
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| What are some of the major elements of life? |
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Definition
Carbon
Nitrogen
Oxygen
Hydrogen
Acetyl group |
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| Two or more atoms held together by a bond |
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| A type of molecule that contains two or more different types of elements. |
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Definition
| Formed by a transfer of electrons from one atom to another |
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| Occurs when positive portion of a polar substance is attracted to negative portion of another polar molecule |
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| Consists of multiple monomers |
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| Overall process of building and breaking down monomers and polymers for energy use |
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| Tendency of water to ionize is best expressed by K which eqauals what? |
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Definition
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| The product of [H+] and [OH+] must always equal what? |
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| Dissociation constant for an acid |
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Definition
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Definition
| More dissociated = stronger acid |
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| Substances that minimize changes in the Ph of a solution |
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Definition
| Needs energy to cross membrane |
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Definition
| Does not need energy to cross the membrane |
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| Doesn't need carrier proteins or pores |
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Definition
| Needs the assistance of carrier protein or pores |
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Definition
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| Secondary active transport |
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Definition
| Does not use ATP uses energy from primary active transport |
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Definition
| Moves sodium into cell and potassium out of cell. Allows maintenance of osmotic pressure |
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Definition
| Provides energy for the cell |
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Definition
Firmly inserted and contain both hydrophilic and hydrophobic ends
Can be transmembrane or only on one side
Act as pores, carriers or receptors |
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Definition
Loosely attached to other proteins or lipids and this can be removed without damage to the membrane.
Act as facilitators of cellular movement, can possess enzymatic activity and assist in linking cells together |
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