Fall2007 Competition: More Winners at Stage II

Here are the winners of stage II of the competition:

Group A:

The winners are those (top FIVE) who found the largest number of bacteria where quorum sensing and biofilm formation have been discovered. Any spelling mistake negatively affected the score. Those who listed the references got extra points.

  1. Radwa Raed Sharaf رضوى رائد شرف (second fastest, more than 40 strains + 5 references)
  2. Sarah Atef Amin سارة عاطف أمين (fastest, got 20 strains, but mentioned no references)
  3. Eman Adel إيمان عادل (got 18 strains but 2 spelling mistakes, listed 8 references)
  4. Aya Ali Elhusseiny آية علي الحسيني (got 20 strains, with 7 capitalization errors, listed 9 references
  5. Ahmed Said أحمد سعيد (got 16 strains, no references)
  6. Gehad Mahmoud جهاد محمود علي الصوفاني (got 7 strains)
  7. Mariam Medhat مريم مدحت تكلا (got 8 strains but all the genus names were not capitalized – corrected them in a second email)

Group B:

Question: If the generation time of M. tuberculosis is 15 hours, approximately how long it takes 100 actively dividing cells of this bacterium to form a 3 km-long line? (length of 1 cell is 3 microns)

Answer: 346.5 h (approximately 345 h or

The winners are those the first four who solved the problem:

  1. Mohammed Hassan Ahmed محمد حسن أحمد (Wed 17 Oct, 11:10 AM)
  2. Nada Essam El Din Mohammed Radwan ندا عصام الدين محمد رضوان (Wed 17 Oct, 11:15 AM)
  3. Yasmeen Saad ياسمين سعد (Wed 17 Oct, 2:00 PM)
  4. Nehal Adel Mohamed Fahmy نهال عادل محمد فهمي (Thur 18 Oct, 5:00 PM)
  5. Noha El Shamy نهى الشامي (Fri 19 Oct, 4:00 PM)
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One Response to “Fall2007 Competition: More Winners at Stage II”

  1. Nehal Adel Says:

    I really appreciate it.

    Thank you very much doctor for everything..for explanation , types of questions and even the quiz ( although I didn’t take it yet but I heard about it)

    Really I’m very happy with it…Thanks a lot

    I really wish you the best of all..

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