I. II. II. IV. V. a. I. b. II. c. II. d. IV. e. V. Take Test: Unit 3 Exam- X O h
ID: 163191 • Letter: I
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Take Test: Unit 3 Exam- X O https:// Unit 6 Unit 7 Unit 8 Discussions McGraw-Hill Connect SafeAssign Course Messages My Grades 1&question; num 14 x 08 toggle state qshow&step; tr e.edu /webapps/ assessment id 57315 18 course idX 41142 1&content; 471082 Remaining Time: 39 minutes, 17 seconds. Question Completion Status: 27 D 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Question 1 points Save Answer A space probe retums from Jupiter s moon Europa with a culture of a microorganism found in the ice on the surface. Analysis shows that it is a carbon-based life-form that has DNA. You grow the cells in 15N medium for several generations and then transfer them to 1 N medium. Which pattern in the figure above would you expect if the DNA was replicated twice in a semi-conservative manner? 14 N DNA 14 -15N 00000 hybrid DNA 15 N DNA d. IV. 12:33 AM A 3/6/2017 xB LrExplanation / Answer
D) IV. ( at constant medium semi conservative pattern DNA structure makes a base