This document provides information about Biology 111 Laboratory Section 505-506 that meets in Room 314. Jiajie Wei is the teaching assistant and their contact information is included. The document outlines the lab schedule, grading policy, safety procedures, and objectives. It also describes how to properly use compound and dissecting microscopes. Students are instructed to perform Lab #1, give presentations on homework #1, and homework #2 will be due at the next class along with Quiz #1.

1. Welcome to Biology 111 Laboratory Section:505 506 Room: 314 TA: Jiajie Wei

3. TA: Jiajie Wei (JJ) Office: Held 319 Office Hours: Wed. 9am-11am Office phone #: (979)845-4653 E-mail : weijiajie@neo.tamu.edu (best way to reach me) Please silence your cell phones and please do not text message people while class is going on!!!!

8. Today : Perform Lab #1 and give in-class presentations for homework #1 as well. Wednesday : Homework #2 is due at the beginning of class (on-line survey). Quiz #1 over today’s lab only.

10. Microscopes!

13. Compound microscope

21. The dissecting microscope

23. Differences between compound and dissecting microscope Larger, 3D, opaque Tiny, thin, transparent What to observe Separate objectives for each ocular One objective at a time and multiple objectives to magnify to different extents objective Transmitted and reflected transmitted Light source dissecting compound