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22 Cards in this Set
- Front
- Back
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What are organic compounds |
Compounds that contain carbon |
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What is Benedict's reagent used for ? |
Detect reducing sugars |
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What are the 4 major categories of organic compounds |
Carbohydrates, lipids, proteins, nucleic acids |
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What color does Benedicts reagent change to |
Purple |
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All monosaccharides are what |
Reducing sugars and have both ring and linear form |
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Are monosaccharides simple or complex sugars |
Simple sugars |
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What is a reducing sugar |
A sugar that can be in linear form exposing the double bonded oxygen |
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Which groups are double bonded oxygen |
An aldehyde or ketone group |
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Dissacharrides are both what |
Reducing and nonreducing sugars |
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What is lugol's reagent used for |
Detecting starch |
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What is starch |
A polysaccharide |
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What is a polysaccharide? |
A polymer of monosaccharides |
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What is Sudan IV used for ? |
Detect lipids |
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What alternative test can be used to detect lipids? |
A grease spot test |
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How does a grease spot test work? |
Place a sample on brown paper. If the paper turns translucent, the test is positive for lipids |
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What is biurrets reagent used for? |
Detect proteins |
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What are proteins? |
Polymers of amino acids |
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Proteins do what to function properly? |
They are folded into a specific configuration |
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What happens when proteins are exposed to high heat, or strong acids or bases? |
They unravel and become non-functional |
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What is the unraveling of proteins called? |
Denaturing |
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What color does Sudan IV turn into? |
A pink color |
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What type of sugar is sucrose (table sugar)? |
A nonreducing sugar |
