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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
Competitive inhibitor
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Compete for the active site forming enzyme inhibitor complex's, however a product is not formed as the inhibitor does not react with the enzyme |
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Definition of biodiversity |
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Species |
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Species |
Group of similar organisms that can reproduce to produce an fertile offspring |
A liger and tiger are different species as liger cannot produce fertile offspring |
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Named species |
1.5-1.75 million |
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Total species |
5-100 million |
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Why only a small fraction of total species is named? |
Is virus living or not?, classification issues, unexplored regions, many bacteria |
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Human cause of extinction |
Population exponentially increasing and so more accommodation therfore less habits for other living species |
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Environmental cases for extinction |
Meteorite, climate change acidic sea and thermal expansion |
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Non specific response to disease?? |
Primary and secondary defense mechanisms include phagocytosis such as neutrophils (mostcommon) and macrophages- which initiate the specific response |
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Phagocytosis |
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Lipid test |
Crush substance Add to test tube with ethanol Filter ethanol into a test tube with cold water Discard solid residue Positive=milky emulsion Negative=no change Test can't be done on milk! |
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Test for reducing sugers |
-Add substance to test tube -add same volume of benedicts solution -heat to 80° in water bath Positive=blue to green to yellow to orange to red If the test is negative, there still may be a non-reducing suger and so: reducing test should be done before the non reducing test. Consequence of doing the non reducing test first.: positive result still indicates that a reducing suger is possibly. present |
Note this is a test for most sugers as most sugers are reducing sugers Further the colour change, more the reducing suger. If |
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Non reducing suger test |
Should be done after a reducing suger test shows to be negative -add hcl -heat in water bath -cool test tube and add HCO3(hydrogen carbonate) -add gain do benedicts test -positive=blue to green to yellow to orange to red Negative=no change |
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Quantitative test for reducing suger |
-Colorimeter shines light through a sample -photoelectric cell picks up light -solution of sample is placed between the light and cell -less light=more reducing suger |
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Test for starch (qualitative) |
Place sample in test tube Add iodine Positive=blue _black Negative=remains orange yellow |
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Protien test |
-Place sample in test tube -Add equal volume of biuret-solution(NaOH+copper sulfate) -mix by swirling Postive=lilac Negative=no change |
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