Dr. Stuart Reichler Bio 311D

Date Subject Textbook ChaptersJan 14 Introduction, Philosophy of Science16 Strong Inference article on webpage18, 23 Meiosis 12, 13Jan 21 No Class (MLK day)25, 28, 30, Feb 1, 4 Inheritance 14, 15Feb 6 Exam 18, 11, 13, 15, 18, 20 Evolution 22–2622, 25, 27 Plant Physiology 29, 30, 35–39Feb 29 Exam 2Mar 3, 5, 7 Plant Physiology 29, 30, 35–39Mar 10-16 No Class (Spring Break)17, 19 Plant Physiology 29, 30, 35–3921, 24, 26, 28, 31 Animal Physiology 32–34, 40–49Apr 2 Exam 34, 7, 9 Animal Physiology 32–34, 40–4911, 14, 16, 18, 21 Ecology 50–55Apr 23 Exam 425, 28, 30, May 2 Ecology 50–55May 12, 9am–noon or May 7, 7-10pm Final Exam

Q: If your diet lacks iron (Fe), what might happen to you?

Q: If your diet lacks iron (Fe), what might happen to you?A: Iron is needed for hemoglobin to bind O2, without it O2 will not be distributed, and cellular respiration will stop.

Q: What does the inside of the small intestine look like, and how is the structure of the small intestine related to its function?

Q: What does the inside of the small intestine look like, and how is the structure of the small intestine related to its function?A: Any one of these descriptions is ok. It is undulated, it has villi, a large surface area. This large surface area is necessary for the efficient absorption of nutrients.

Q: Why are victims of severe burns also susceptible to infections?

Q: Why are victims of severe burns also susceptible to infections?A: The skin is an important barrier to pathogens. If it is damaged, pathogens can enter.

Q: During plant evolution, what plant cell type was necessary for the evolution of shoots? Explain.

Q: During plant evolution, what plant cell type was necessary for the evolution of shoots? Explain.A: Sclerenchyma, these thick-walled cells allow the needed support AND transport.

Studying Biology:•Start with a question.

–For example:How? Why? When? Where? Etc?

•How do we get answers?–Strong Inference presents one method

(article on webpage)

What causes Mad Cow Disease (aka BSE)?

Brain tissue from cow with BSE. Scrapie in sheep, CJD or Kuru in humans looks similar.

How could you test for the infectious agent?

Dr. Stanley Prusiner was awarded the Nobel Prize in 1997 for the discovery of prions… infectious proteins.

normally folded proteins

Prion (abnormally folded protein)

Interaction between prion and normal protein causes normal protein to misfold…

… which leads to increasing numbers of prions

Prion Propogation

Studying Biology:•Start with a question.

–For example:How? Why? When? Where? Etc?

•How do we get answers?–Strong Inference presents one method

(article on webpage)