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Definition
Linear chains of amino acids
-fold into 3D structure
-cell signaling
-cell structure
-motor proteins
-catalysts- (enzymes) |
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Definition
1.Proteins
2.Nucleic Acids
3.Lipids
4.Carbohydrates |
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Information Molecules
-Phosphoryl+5-carbon sugar+base |
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Definition
2'-OH less stable than DNA
-uracil instead of thymine
-major info carrier mRNA-
-does more than DNA |
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Definition
Hydrphobic tails
-Hydrophillic heads (polar) |
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Definition
| Lipids dual property of being hydrophobic and hydrophilic |
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| DNA--> Transcription-->RNA-->Translation-->Protein |
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Definition
Impermeable- small molecules can't passivley pass through
Active transport must occur |
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Definition
Pores
Channels
Transporters |
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Term
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Definition
-Two membranes
-Site where fuel molecules undergo combustion to generate ATP
-poisons that stop ATP synthesis |
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Term
| Important Properties of Water |
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Definition
-viscous
-water tends to weaken- the weak ionic interaction |
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Term
| Weak (non covalent) interactions |
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Definition
1. Ionic bonds
2. H-bonds
3. Van der Waals
(all three can be considered electrostatic) |
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Term
Distance in two electronegative atoms
Distance in H-bonds |
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Definition
2.5-3.5 Angstrums
2.0 Angstrum |
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Term
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Definition
| free amino acids in neutral pH exist primarily as dipolar ions |
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| Asp, D, Negatively Charged |
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Definition
| Glu, E, Negatively Charged |
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Definition
| hydrophobic effect drives bases to the interior and exposes more polar areas to the surface |
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Definition
| Unwinds DNA during replication |
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Definition
| Creates the leading strand from 5'-3' |
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Definition
| Replaces the RNA with DNA |
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