Lipase is an enzyme that breaks down lipids in the digestive system of humans. It functions best at a pH range of 4.0 to 5.0. When a person takes an antacid tablet to relieve heartburn, the antacid increases the pH to around 7 in certain areas of the digestive system. Which initial effect would most likely be caused by a change in pH? 1 More lipids would be digested. 2 Fewer lipids would be digested. 3 The production of lipase molecules would increase. 4 The production of lipase molecules would