Level 8 - Writing REVISED VERSION

W Take notes while listening to a presentation on a familiar academic or work-related topic. 

https://www.youtube.com/watch?v=C4NhOIpxXt4

Three major components of food.

1.Fats

                   examples of fats olive oil, coconut oil, cocoa butter and shortening

         Two features of fats:

             1. Fats can be in a liquid or a solid form

                       example of liquid form: a glass of olive oil

                       example of solid form: shortening

              2. Fats don't dissolve on water

2. Carbohydrate - consist basically of sugar

       Properties of sugar

        1. Sugar is very hard substance

        2. Sugar dissolved very well in water

3. Proteins - are polymers with amino acid

     examples of protein at work in the food

   1. steak - hemoglobin

   2. eggs - albumin

   3. milk - cascin

One of the properties of protein is that it can be dissolve in water. But if you heat up water and with protein in it, the protein will change its shape and configuration