All of the following are true concerning protein, EXCEPT:

A  Complete sources, while providing all of the essential amino acids are animal foods high in saturated fat, which is know to contribute to chronic disease.

B  Incomplete sources have a kinder profile, as they are plant-based foods, providing fiber, micronutrients, and unsaturated fats, thought to promote health.

C  Since proteins are readily used in metabolism, daily protein consumption should be high compared to that of carbohydrates and fats.

D  Dietary protein provides amino acids which are used in structures and functional operation of the body.

E  Combining incomplete sources of protein to make complementary proteins are an ideal way to promote health since most incomplete proteins come from plant foods

F  Dietary proteins are digestible and provide us with 4 calories per gram