Midterm 2-Patrick

Midterm 2-Patrick - NAME_ 2 nd MIDTERM 2 BILD1 Fall 2006 ID...

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MIDTERM 2 BILD1 Fall 2006 NAME __________________________ Page 1 of 9 ID NUMBER________________________ 2 nd MIDTERM BILD1 Fall 2006 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 (2213A) Pacific Hall. Signature_______________________________________ PAGE 2 [problem 1] _____________ (19pts) ________ PAGE 3 [problem 2] ______________ (12pts) _______ PAGE 4 [problems 3,4] ______________ (15pts) ______ PAGE 5 [problem 5, 6] ______________ (13pts) ________ PAGE 6 [problems 7] ______________ (10pts) _______ PAGE 7 [problems 8] ______________ (12pts) ________ PAGE 8 [problems 9] PAGE 9 [problems 10] ______________ ______________ (13pts) ________ (6pts) _________ Extra credit(3)______ Total______________________
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MIDTERM 2 BILD1 Fall 2006 NAME __________________________ Page 2 of 9 Problem 1. Organization of the Cell Part A. Parts of the cell Below is a list of major organelles found in the cell. Match them with their appropriate descriptions on the right. (1pt each) A. Golgi apparatus B. Plasma Membrane C. Nucleus D. Chloroplast E. Mitochondria F. Smooth ER G. Lysosome H. Rough ER I. Vesicle Part B. Prokaryotic vs. Eukaryotic cells (1pt) DNA replication and protein synthesis occurs in the same cellular location. Circle one: Prokaryotic or Eukaryotic or Both (1pt) Uses an internal cytoskeleton for cell shape and motility. Circle one: Prokaryotic or Eukaryotic or Both (2pt) Describe one observation which support the Endosymbiosis theory. Double membrane enclosed Same size as bacteria Has own DNA that is circular Ribosomes are bacteria-like Respiration or photosynthesis – known prokaryotic activities (3pt) Which bacteria will likely be swimming the fastest? Circle one: A) a bacteria in the “middle” of a molecular food source gradient B) a bacteria that is “outside” of a molecular food source gradient And Why? Bacteria in the middle of a molecular food source gradient will want to stay where the concentration of food is the highest – and therefore swim much slower and much less. A bacteria on the outside of a food source gradient is in search of the food source and will swim faster until it reaches the middle of the gradient. Part C. Microscopes and the size of cells (1pt) True or False (circle one): Transmission electron microscopy (TEM) is used to observe the 3D image of the surface of a cell or specimen. (2pt) Why does the plasma membrane of many prokaryotic cells fold inside the cell wall? To increase the surface area of the plasma membrane
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Midterm 2-Patrick - NAME_ 2 nd MIDTERM 2 BILD1 Fall 2006 ID...

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