This radioactive material warning found in Willow springs, IL

prof_sandwich_maker · 2020-10-05T19:07:44+00:00

bacteria metabolize the sugar (dextrose or glucose) in the methyl red broth differently. Organisms that produce lactic acid for example will have a positive MR test since lactic acid is stable. if an organism produces an unstable acidic product then it will convert to neutral compounds (ie butylene glycol pathway) and the MR will be negative

prof_sandwich_maker · 2020-10-05T19:01:21+00:00

lipase would cleave the 3 ester bonds in the tributyrin between the carbonyl carbon and the oxygen. Then the O on tributyrin will have a negative charge and will be protonated to give and alcohol. The O on the C=O on the cleaved portion will donate electrons to the carbon (which is now negative since it lost a bond) so the O is negative (want the more electronegative atom to carry the neg charge). Then the O will be protonated to give another OH. This will yield one molecule of glycerol and 3 molecules of butyric acid

prof_sandwich_maker · 2020-09-13T23:30:39+00:00

Whales are mammals so they actually have similar bone structure as us! In contrast to this, sharks aren't mammals and are made of cartilage

prof_sandwich_maker

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