Multiple choice

Match the columns: Column I Column II P. Richard J. Roberts and Phillip A. Sharp 1. Discovered that a gene can be separated onto different segments of DNA Q. Kary B. Mullis 2. Discovered the polymerase chain reaction to amplify DNA R. Peter C. Doherty and Rolf M. Zinkernagel 3. Discovered how cytotoxic T cells recognize virus-infected cells prior to destroying them S. Aaron Ciechanover, Avram Hershko, and Irwin Rose 4. Discovered how cells dispose of unwanted proteins in proteasomes.

  1. P-1; Q-2; R-3; S-4

  2. P-2; Q-1; R-4; S-3

  3. P-2; Q-3; R-4; S-1

  4. P-3; Q-2; R-4; S-1
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Roberts and Sharp discovered that a gene can be separated onto different segments of DNA. Kary B. Mullis discovered the polymerase chain reaction to amplify (make multiple copies of) DNA. Peter C. Doherty (Australia) and Rolf M. Zinkernagel (Switzerland) discovered how cytotoxic T cells recognize virus-infected cells prior to destroying them and were awarded Nobel Prize in 1996 for this work. Ciechanover, Hershko, and Rose discovered how cells dispose of unwanted proteins in proteasomes.

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