mid2-key - NAME_ 2 nd MIDTERM 2 BILD1 Fall 2007 ID NUMBER_...

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MIDTERM 2 BILD1 Fall 2007 NAME __________________________ Page 1 of 7 ID NUMBER________________________ 2 nd MIDTERM BILD1 Fall 2007 PATRICK WAIVER: (please sign): By signing this waiver I give permission for this exam to be handed back to me in class and acknowledge that this may expose my score to view by other students. If I do not sign this waiver, I acknowledge that my exam will be available for pickup after class at 2140 Pacific Hall. Signature_______________________________________ PAGE 2 [problem 1] _____________ (19pts) ________ PAGE 3 [problem 2] ______________ (17pts) _______ PAGE 4 [problems 3,4] ______________ (17pts) ______ PAGE 5 [problem 5, 6] ______________ (15pts) ________ PAGE 6 [problems 7] ______________ (12pts) _______ PAGE 7 [problems 8,9] ______________ (20pts) ________ extra credit (3pts)_________ TOTAL out of 100 --------------------
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MIDTERM 2 BILD1 Fall 2007 NAME __________________________ Page 2 of 7 Problem 1. Organization of the Cell Part A. Microscopes and the size of cells (2pt) True or False (circle one): Rapid exchange of material in and out of the cell is facilitated by the cell’s high surface to volume ratio. (2pt) Microscopy increases both magnification and _ resolution (clarity) ___. Part B. Prokaryotic vs. Eukaryotic cells (2pt) Name one major differences between the DNA of Prokaryotic and Eukaryotic cells. Prok. Have 1 circular chromosome, several mini chromosomes (plasmids) – and they are free floating in the cytoplasm – i.e no nucleus. Euk. Have linear chromosomes, enclosed by the nucleus, and no plasmids. (2pt) Describe one observation which supports the Endosymbiosis theory. Mitochondria and Chloroplast have bacterial like DNA (circular), Rand Ribosomes, they also have a double membrane, do respiration and photosynthesis – known bacteria functions, also same size as bacteria (2pt) This questions deals with containment. If you were to look at Prokaryotic and Eukaryotic cells with Transmission Electron Microscopy (TEM), what major difference would you find inside the cells? Prok. Have no membrane bound organelles while Euk. Do.
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This note was uploaded on 05/16/2008 for the course BILD 1 taught by Professor Boulanger during the Fall '08 term at UCSD.

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mid2-key - NAME_ 2 nd MIDTERM 2 BILD1 Fall 2007 ID NUMBER_...

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