Celsius—the weekly science trivia quiz is back!

| Written by sgammon
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Welcome back to Celsius, Beaker’s weekly science trivia quiz. The questions this week may stretch beyond your knowledge. Take the test and see!

The answers to last weeks questions are below the quiz.

The father of modern astronomy is Galileo. What is his last name?

  1. Barberini
  2. Ricci
  3. Guiducci
  4. Galilei

What is the half-life of DNA?

  1. 521 years
  2. 10,621 years
  3. 200,01 years
  4. 5,210,000 years

The first effective medicine for syphilis was arsphenamine (Salvarsan). Which scientist is credited with the discovery?

  1. Paul Ehrlich
  2. Rolf Salvarsan
  3. Alexander Fleming
  4. Robert Koch

Approximately how many genes do humans share with a banana?

  1. 85%
  2. 18%
  3. 50%
  4. 70%

RNA comprises what percent of the weight of a human cell?

  1. .01%
  2. .05%
  3. 5%
  4. 14%

Answers to last weeks questions:


1. The father of genetics, Gregor Mendel, was an Austrian monk. http://www.biography.com/#!/people/gregor-mendel-39282

2.  Rosalind Franklin, who made critical contributions to the structure of DNA, got her Ph.D. from Cambridge University. http://www.biography.com/#!/people/rosalind-franklin-9301344

3.  The average age for all Nobel Laureates in medicine between 1901 and 2013 was 58 years.  http://www.nobelprize.org/nobel_prizes/lists/laureates_ages/medicine_ages.html

4.  The journal with the most number of retractions between 1971 and 2011 was Science. http://peerreviewwatch.wordpress.com/2014/04/17/retractions-over-time/

5.  It would take 24 million tweets to tweet your genome. A tweet is 140 characters. Subtract 9 characters for a "#mygenome" or other label for each tweet. 3,200,000,000 base pairs, divided by 132 is 24 million (rounded).

See you next week!

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