[SAR HS 251] - Final Exam Guide - Ultimate 42 pages long Study Guide!

• School: Boston University
• Department: Health Sciences
• Course: SAR HS 251
• Professor: Megan Mc Crory

Document Summary

Sar hs 251 lecture 7 carbohydrates (continued) Salivary amylase digests carbs in the mouth no digestion of carbs in the stomach: acid denatures amylase pancreatic amylase is secreted into the small intestine, which further breaks down the carbs. Maltase acts on maltose, sucrase acts on sucrose, etc. to break apart disaccharides in the small intestine. Monosaccharides absorbed in the si through the enterocytes via the brush border: fructose facilitated diffusion, glucose and galactose active transport sodium-potassium pump. Monosaccharides are water soluble, so the enter the hepatic portal vein to the liver: liver sends out glucose if needed for cell metabolism glycolysis to obtain atp, glucose is stored as glycogen in the liver an muscles. Muscle glycogen for activities liver glycogen to maintain blood sugar between meals remaining glucose becomes adipose tissue. Brain prefers glucose as a source of energy, so glycogen is an important storage molecule.