Multiple choice

Who isolated the tobacco mosaic virus in para crystalline form in the year 1935?

  1. Von Manuel

  2. Stanley

  3. Jack Karl

  4. Ronald Ross

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Wendell Meredith Stanley was the first to crystallize the tobacco mosaic virus (TMV) in 1935, demonstrating that viruses could be isolated in crystalline form, which was crucial in understanding their nature. Von Manuel, Jack Karl, and Ronald Ross (who worked on malaria) are not associated with this discovery.