Digestion and Absorption of Protein (continued) Free amino acids absorbed by cotransport with Na + . Dipeptides and tripeptides transported by secondary active transport using a H + gradient to transport them into the cytoplasm. Hydrolyzed into free amino acids and then secreted into the blood. Insert fig.
Substitute an equal amount of sour cream for milk in a recipe. Examine the texture of the sour cream. Adjust the level of shortening or butter in the recipe. Reduce the shortening by 1/2 cup for thick or heavy sour cream or 1/3 cup for thin or light sour cream.
I don't think the milk will make you sick. Lots of things have buttermilk in them and if you don't have buttermilk you can substitute fresh milk to which you have added vinegar--that results in sour milk. The flavor might be different, but ... How to make SOUR MILK. http://www.ehow.com/how_4907490_make-sour-milk.html.