UNIT+4+HOMEOSTASIS+AND+TRANSPORT


 * LESSON 1: MEMBRANES OF THE CELL (BIO.4.1.1, BIO.A.4.1.3) **


 * LESSON 2: PASSIVE TRANSPORT (BIO.A.4.1.2) and **** ACTIVE TRANSPORT (BIO.4.1.2) **


 * LESSON 3: OSMOSIS AND HOMEOSTASIS (BIO.A.4.2.1) **