The longitudinal ribbon of smooth muscle visible on the outer surface of the colon just beneath the serosa are called ___________.

Cells can not store amino acids for later use, so when a protein molecule is to be built, all of the needed amino acids must be available or the protein can not be made.

Cells can not store amino acids for later use, so when a protein molecule is to be built, all of the needed amino acids must be available or the protein can not be made.

Chief cells of the gastric mucosa secrete hydrochloric acid and intrinsic factor.

If an incision had to be made in the small intestine to remove an obstruction, which layer would be cut first?

The liver performs the process of gluconeogenesis, which is the conversion of

Which of the following does NOT occur during the fasting (postabsorptive) state?

This vitamin can be produced by the bacteria of the large intestine for human use.

This vitamin can be produced by the bacteria of the large intestine for human use.

Vitamins A, D, E, C and K are all water-soluble vitamins.