ls 1 midterm

ls 1 midterm - LS1 Winter10 VERSION A Name ID Don't open...

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LS1 Winter10 Name & ID________________________________ Page 1 of 11 VERSION A • Don’t open your exam until instructed to. • Write your name and student number on every page of the test before handing in the test. You will lose 5 points if you don’t! Enter you name, uid, and which version of the exam you have on the scantron. You will lose 5 points if you don’t! Use a pencil on the multiple choice; pen or pencil on the short answer. • Mark scantrons neatly, one answer per question. Erase changes completely. • Answer written questions in space provided. Do not write on the back, in the margins, or in space allotted for another question. Only answers on the front side of pages will be graded. NO EXCEPTIONS. If you must cross something out and run out of space to answer the question in the space provided, you must request another blank exam page. No electronic devices at your desk, including calculators and cellphones. No food, no bottles with labels. If you need to use the restroom, turn in your exam to a TA. Only one student may leave at a time. You may not leave the room with any electronic devices. Circle your section o Sammi Ali: 1B (Tu 1-3), 2C (Th 12-2), 2D (Th 2-4) o Cord Kirshner: 1D (W 8-10), 1E (W 10-12), 2H (F 9-11) o Ritu Kumar: 1J (Th 2-4), 1L (F 9-11), 2G (Th 12-2) o Andre Pinesett: 1C (Tu 3-5), 1K (Th 3-5), 2I (F 11-12) o Asif Razee: 2A (W 8-10), 2B (W 10-12), 2E (Th 10-12) o Jonathan Sim: 1A (Tu 1-3), 1F (W 12-2), 1I (Th 1-3) o Kyle Yamamoto: 1G (W 2-4), 1H (Th 9-11), 2F (Th 11-1) • Good luck! I hereby certify that I have neither given nor received any aid on this exam, and that I have read and understand the instructions above. Sign your name here:_____________________________________
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LS1 Winter10 Name & ID________________________________ Page 2 of 11 PUT YOUR NAME ON EVERY PAGE OF THE EXAM BEFORE STARTING. Exam is 175 pts total Part 1 Multiple Choice. 25 questions, 4 pts each 1. A mad scientist invents a ray that can resize organisms. She zaps a mouse, isometrically enlarging it to the size of an elephant. Which of the following would NOT happen? a. It would freeze to death because of the change in SA/V b. The mega-mouse’s legs would break from not being able to support its weight c. It would eat much more food than an elephant of the same size d. Its lung surface area would no longer be sufficient to keep up with oxygen demand 2. It has been hypothesized that fungi and plants have a mutualistic relationship because fungi provide critical nitrogen for the plants' use. What experimental evidence supports this? a. Plants acquire more radioactively labeled nitrogen when they are associated with fungi b. Radioactively labeled nitrogen shows up in fungi when they are symbiotic with plants. c.
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ls 1 midterm - LS1 Winter10 VERSION A Name ID Don't open...

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