Exam 2 2007

Exam 2 2007 - Name(print please Student number Bio 50 Cell and Molecular Biology Exam II 1 2 3 4 5 6 7 Put your name on the front page and your

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Name (print please): __________________________________________ Student number: __________________________________________ Bio 50: Cell and Molecular Biology Exam II March 23, 2007 1. Put your name on the front page and your student number on all pages. 2. Make sure you have all 11 pages , and 11 questions . 3. Write all your answers in the space provided. 4. Be concise and direct. Complete sentences are not necessary. 5. Diagrams are encouraged. 6. You have 55 minutes to complete this exam. 7. Good luck to you! Scores: Q1. ________/12 Q2. ________/8 Q3. ________/7 Q4. ________/10 Q5. ________/18 Q6. ________/8 Q7. ________/12 Q8. ________/8 Q9. ________/15 Q10/11. ________/2 Total ________/100
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Student number___________________________ 2 Oldies but goodies! You have heard ‘em before, and enjoyed them, let’s do it again! Answer the following questions with specific, brief responses. (12 points total) A) What molecular change associated with the nucleotide induces the power stroke in the myosin II head of a sarcomere? (2 points) B) What kind of receptor is used for cortisol in a cell? (2 points) C) Name three different functions accomplished by the smooth endoplasmic reticulum. (1 point each) 1) 2) 3) D) Name 2 proteins whose activity is regulated by directly binding to calcium. (1 point each) 1) __________________ 2) _____________________ For one of your chosen calcium-binding proteins, describe how it functions in a cell. E) Identify one molecular target of NO and how this target functions in a cell. (2 points) 1.
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Student number___________________________ 3 Drugs and Diseases: Fortunately, investigators have been able to design, or acquire reagents that have been valuable in teaching us how the cell works. Unfortunately, however, diseases in animals and human have also taught us a great deal about how the cell works. First, for the reagents, drugs, or toxins listed below, document their major molecular target in the cell, and what their use tells us about how the cell works. (2 points each; 8 points total)
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This note was uploaded on 04/07/2008 for the course BIOL 50 taught by Professor Wiesel during the Spring '08 term at Brown.

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Exam 2 2007 - Name(print please Student number Bio 50 Cell and Molecular Biology Exam II 1 2 3 4 5 6 7 Put your name on the front page and your

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