 |  |  |
| Lec 4 | Introductory Biology, Spring 2005 | Lec 10 |
 |  |  |
| Introductory Biology, Spring 2005 | Lec 3 | Introductory Biology, Spring 2005 |
 |  |  |
| Introductory Biology, Spring 2005 | Lec 27 | Introductory Biology, Spring 2005 |
 |  |  |
| Introduction to Biology, Fall 2004 | Lec 14 | Introductory Biology, Spring 2005 |
 |  |
| Lec 29 | Introductory Biology, Spring 2005 |
