The activity of lipase is measured in four parts of the gut. Which part has the most lipase activity 1. colon 2. duodenum 3. oesophagus 4. stomach

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?