Monday, October 4, 2010

Carbohydrate Lab

The first mixture was the one on the far right and it was iodine mixed with starch and it came out to be polysaccharide because it did not come out to be orange it came out to be brown and it was not boiled.  

The second mixture was starch and benedict and it came out to be a polysaccharide because it came out as a glossy clear blue and it was boiled.  
Our third mixture was flour mixed with benedict and it came out to be a polysaccharide because it came out to be a foggy blue and it was boiled.  
Our fourth mixture was iodine and flour and it came out to be a polysaccharide because it came out to be a darker color not an orange and it was not boiled.  
Our last mixture was the one on the far left and it was a mixture of glucose and benedict and it is the only one in our lab that came out to be monosaccharide because it came out to be orange and it was boiled. 

All in all we learned that carbohydrates always have monosaccharides when they are put together in a chain they make bigger chains called polysaccharides.

Notes

I learned that macromolecules are the main molecules and they break down into monomers and polymers.In these notes I also learned that there are four different types of macromolecules.  One is protein which is very important to all living organisms, two is lipids which are fatty acid ester, they are the building blocks or biological membranes as well as energy storage,  3 is carbohydrates which are organic compounds, examples are sugars, starch, and cellulose, and the 4 is nucleic acids which are the basic classes of macromolecules studied in biochemistry.  


I also learned that carbohydrates can not be made by using acids because the acid destroys the carbohydrates.  For example when Mr. Ludwig showed us the sugar mixed with the Sulfuric acid the acid took over and destroyed the carbohydrate.