Fri/Wed - Sept.3rd/8th

Bio I:

• LAB: Effect of substrate concentration on catalase activity (https://docs.google.com/fileview?id=0ByKrKNr7lu4DYTFjZmM4YTQtNmQ4Yi00M2IyLThjMDktN2VlMTQ3ZDE5ZWIz&hl=en&authkey=COjE_I4P)

Bio II:

• Immunity PPT: http://ibbiologychapel.wikispaces.com/Topic+6+-+Human+Health+and+Physiology

HOMEWORK: Immune System Questions:
1. Describe how human skin and mucous membranes act as barriers to pathogens. (4)
2. Explain why antibiotics are effective against bacteria but not viruses. (3)
3. Explain the cause, transmission and social implications of AIDS. (8)
4. Explain the production of antibodies. (8)