teeth cut and grind food before it is swallowed, and then smooth muscles of the stomach and small intestine churn the food. dissolving and thoroughly mixed with digestive enzymes.
Muscle contractions performed by smooth muscles to churn food within small intestines
Digestive enzymes breaking the bonds of the food macromolecules
begins carbohydrate digestion in the mouth
begins triglyceride digestion.
secreted by chief cells, and continue triglyceride digestion
secreted by chief cells, inactive form of pepsin
secreted by the pancreas for digestion of carbohydrates
secreted by the pancreas to digests proteins
Secreted by the pancreas for the digestion of lipids
Typically large protein molecules produced by cells of the body that are special biological catalysts acting on specific substrates to produce products.
Test for starch
Test for sugar
Positive Starch Test
Color changes to blue or black
Negative Starch Test
No color change
Positive Sugar Test
color is green, yellow, orange, or red
Negative Sugar Test
Color remains blue
helps break large substances into smaller substances
Emulsifying agent produced in the liver and stored in the gall bladder
why type of compound does and emulsifying agent act on?
Bile for example, breaks up large aggregates of lipid molecules into smaller aggregates of lipid molecules with a greater surface area.
effect of bile
needed for absorption of dietary fats.