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.
Hi Irene, You can sour milk by adding 1 tablespoon of lemon juice or vinegar to 1 cup of milk. Stir, let it sit for about 5 minutes. You can use this is place of the buttermilk. Go ahead and add the baking soda.ift the flour with the baking powder, baking soda, salt and sugar in a large bowl. cut in the chilled butter until the texture of coarse crumbs. Stir in the buttermilk to form a soft dough. Transfer the dough onto a floured surface. Knead briefly and roll or pat to about 1 1/4 inch thick.