Load gels on day 3 or 4. T.A. maintain fly cultures. Scheduling Tips Send flies, vials and magnifiers home with students so they can complete counts outside of class. Tips Invite other students to lab in order to increase population size. Tips Use house plant if bush beans are not available.
Cut plant stems and insert stem into tubing while stem is submerged in a pan of water.
This prevents air gaps from forming in xylem vessels. Preparing stem cross section can be optional. Scheduling Tips Use prepared slides from step cross sections. Physiology of Circulatory System Lab Tips Insist on silence during lab so accurate measurements can be made. Borrow equipment from hospitals or doctors offices.