Lecture+notes+07 - Copy

Lecture+notes+07 - Copy - Lecture Notes Bio 109, Fall 2010,...

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Lecture Notes Bio 109, Fall 2010, Dr. Catherine Loudon Lecture 7 – 10/08/10 – Hormones, neurons 1) Announcements a) Clickers start counting today (finally arrived at bookstore on Wednesday) b) Must register clickers by Wed. Oct 13 (contact Emily if problems) to get credit for clicker scores up to Oct. 13 c) Reminders: i) Quiz 1 (2nd copy) closes today ii) Quiz 2 closes today iii) Last day to drop class (by 5 pm today!) iv) Test 1 one week from today 2) Portal system connecting hypothalamus with anterior pituitary (Fig. 7-16) 3) Significance of feedback loops in decreasing gland activity when exogenous hormone applied (e.g. cortisol, Fig. 7-19) 4) Your question – What is the difference between antagonistic hormones vs. a hormone antagonist (or an antagonist to a hormone)? a) Fig. 6-17 shows the mode of action of an agonist and an antagonist to a specific ligand (such as a hormone) (can also be called competitive inhibition). b)
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Lecture+notes+07 - Copy - Lecture Notes Bio 109, Fall 2010,...

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