Since transferrin is the main transport protein for iron, levels of transferrin can also be used to calculate TIBC. Each mole of transferrin, with an approximate molecular weight of 79.5 kDa is capable of binding to two moles of iron, molecular weight of 55.8 kDa.
The frequency of having bowel movements varies based on your age. Now let's take a closer look. Even people who donât go to the bathroom every day are not necessarily constipated. It is normal for adults to have a bowel movement 2-3 times a day or once every three days. If, however, you pass over three days without a movement, the stool may harden and become hard to push out.
Normal Bowel Movements. A normal bowel movement is the evacuation of feces anywhere between once daily to 3 times a week. As long as the stool consistency and form is normal (type 3 and 4), it may not be a problem if a person does not pass stool on a daily basis.