bis_104_mid_exam_i_key_09

bis_104_mid_exam_i_key_09 - BIS 104-002 Winter, 2009...

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BIS 104-002 Name ____________________________________ Winter, 2009 (last) (first) Midterm I Exam # _____ INSTRUCTIONS: 1. Print your name at the top of each page. 2. This exam consists of 6 questions on 6 pages worth a total of 61 points. Point values are given in parentheses. Make sure that you have a complete exam. 3. Write your answers to all questions in the spaces provided. 4. Write clearly; illegible answers will receive a score of zero. 5. Points may be deducted for failure to follow directions. 6. Please read and sign the statements below: Authorization for public distribution (check one) _____ I authorize the return of my exam for pickup from a class bin or by general distribution during class. _____ I do not authorize the public return of my exam (if you choose this option you will pick up your exam from the instructor).
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Honor Code Statement My signature below affirms that I wrote this exam on the spirit of the honor system of UCD. I neither received nor furnished any help during the exam. Signature _____________________________________
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Page 1 Name ____________________________________ 1. For each of the items listed below, describe: (8 pts) i) its composition and location. ii) it main function(s) A) PRIMARY (non-motile) CILIUM i) A single microtubule-based projection from the surface of most eukaryotic cells, composed of the plasma membrane sheath and a core axoneme (9 + 0) microtubules. ii) Serves as a sensory antenna to detect and respond to gradients of chemical and physical signals from the immediate environment (e.g., adjacent cells).
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B) SMOOTH ENDOPLASMIC RETICULUM (SER) i) An interconnecting network of tubular membranes extending from the outer nuclear envelope. Usually located between the nucleus and the cis- layer of the Golgi complex. ii) Provides a membranous compartment for the synthesis of lipids and sterols; a compartment for the sequestration of Ca ++ ions; localized site for enzyme based oxidation of toxic substances .
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Page 2 Name ___________________________________ 2. The “Rules of Evidence” define three distinct categories of experimental evidence that can be used together to support a particular conclusion. Identify by name and provide a brief (1 or 2 sentences) definition for each of these categories of experimental evidence. (9 pts) a) Plausibility : Observations and/or measurements that provide a correlation between two variables. These measurements establish whether the variable of interest is present at the right time and place, and in sufficient
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This note was uploaded on 03/15/2010 for the course BIS BIS 104 taught by Professor Privalsky during the Fall '09 term at UC Davis.

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bis_104_mid_exam_i_key_09 - BIS 104-002 Winter, 2009...

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