Term
| how do proteins differ from other energy-yielding nutrients? |
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Definition
| proteins contain nitrogen in the reduced stat |
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Term
| Although organic, amino acids act as inorganic compounds because they |
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Definition
| contain an inner salt that lends ionic character |
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Term
| which vitamin is essential in synthesis of fibrous proteins? |
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Definition
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Term
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Definition
| a common flavor-enhancer that gives goods the flavor- umami |
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Term
| The "protos" in protein means_____ in the ______ language |
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Definition
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Term
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Definition
| A Nitrogen-containing Organic Compound |
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Term
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Definition
| the pH at which amino acids are electrically neutral with charge of zero |
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Term
| why do amino acids precipitate at the IsoElectric point? |
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Definition
| they are no longer hydrophilic, so they become unstable |
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Term
| Don't forget Lab Questions!! |
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Definition
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Term
| Amino Acids within a Protein Chain are called: |
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Definition
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Term
| Hemoglobin, classed according to its function is a ______ protein |
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Definition
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Term
| Hemoglobin, classed according to it shape is a ______ protein |
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Definition
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Term
| the Composition of Hemoglobin is _____ |
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Definition
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Term
| Why are Fibrous Proteins water insoluble? |
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Definition
| There are too many hydrophilic groups involved in Hydrogen Bonding |
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Term
| Which bonding level is interrupted most often during protein denaturation? |
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Definition
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Term
| When an Amino Acid has a Neutral pH of 4.0, then what do the Amino and Carboxyl groups look like? |
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Definition
Amino= NH3+
Carboxyl= COOH |
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Term
| Describe the 4 groups around the alpha Carbon of an amino acid |
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Definition
1) COOH (Acidic, Carboxylic)
2) NH2 (Basic, Amino)
(these first two are the functional groups which all amino acids have!)
3) Hydrogen atom
4) R- group (the side chain which identifies what it is!) |
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Term
| What is the primary use of protein?? |
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Definition
| TO Replenish the amino acid pool from which cells recycle and synthesize new proteins--depending on the cell's needs! |
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Term
| Amino Acids are classified by the Polarity of the _____ ______. |
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Definition
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Term
| Name the only 3 R-groups which are HydroPHobic... |
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Definition
1) H
2) CH3
3) Phenyl/Benzen rings |
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Term
| Polarity of Hydrophobic Side Chains?? |
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Definition
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Term
| Which plant proteins are limiting in Methionine?? |
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Definition
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Term
1)Beans/Peas limiting in_____
2)Nuts/Grains limiting in_____ |
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Definition
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Term
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Definition
1) An amino acid with both a positive end and a negative end
2) So basically when the amino acid has the (COO-) and (NH3+) |
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Term
| How and why can the amino acid form into a zwitterion?? |
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Definition
| Because of the presence of both and Acid and a Base, a reaction can occur where the acid donates a Hydrogen and the Base accepts a Hydrogen |
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Term
| The Net Charge of a Zwitterion is___?? |
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Definition
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Term
| What are the 2 characteristics that amino acids have because of their existence as inner salts?? |
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Definition
1) Very High Melting Point
2) Excellent Solubility in Water |
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Term
| What is the Biolgically Active form of Amino Acids? |
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Definition
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