Endocytosis & Exocytosis

Lysosomes
Phagocytosis
Endocytosis and Exocytosis

animation to bio (2)

Three phases of gastric secretion
 
http://www.esnips.com/doc/97f670b1-8b49-4ed5-826c-3766b4efa631/Chapter-20—Three-Phases-of-Gastric-Secretion
proton pump

http://www.esnips.com/doc/2d85c9a7-9b89-4d99-8a2a-467ea0f73263/Chapter-6—Proton-Pump
endocytosis and exocytosis

http://www.esnips.com/doc/2dad912f-9dcc-4936-89d9-1ae32c6125d2/Chapter-6—Endocytosis-and-Exocytosis
 how prions arise

http://www.esnips.com/doc/82582107-eb45-4245-b4de-593718be6490/Chapter-20—How-Prions-Arise