HAPPY NEW YEAR!
1. Review DNA Structure and DNA Replication
2. The Central Dogma of Biology: An Intro
3. NOVA Science Now: Obesity
H.W. Answer these questions (in complete sentences) regarding the Nova Science Now Video that we watched in class today. Want to watch the video again? http://www.pbs.org/wgbh/nova/body/obesity.html
1.What does Dr. Friedman propose is the primary cause of eating behavior?
2.Describe Dr. Friedman’s weight “set point” and its impact on weight loss.
3.What percent of obesity is likely caused by genetics?
4.What chemical did Friedman’s obese mice lack?
5.How does Leptin work to curb appetite?
6.What happens when a Leptin deficient mouse is given Leptin supplements?
7.Did Leptin injections work the same in humans as they did in mice?
8.What does Leptin do to cells in the brain?
9.What does a mutation in the gene for MC4R cause? Draw a picture to help illustrate this.
10. If a person has a defective MC4R, what does their brain tell them?
11.What is the genetic “mistake” in Theresa’s MC4R gene?
12.What is the benefit of identifying genes that cause obesity and other genetic disorders?
AND Print these Ch. 13.1 Notes
