MDCAT Biology MCQ #41

A scientist aims to prove that viruses are not merely small bacteria but chemical entities. Which researcher first successfully crystallized the Tobacco Mosaic Virus?

MDCAT Biology MCQ #41

  1. Question 1

    Q1. A scientist aims to prove that viruses are not merely small bacteria but chemical entities. Which researcher first successfully crystallized the Tobacco Mosaic Virus?

    • A) Louis Pasteur
    • B) Robert Koch
    • C) Wendell Stanley
    • D) Dmitri Iwanowski

    Answer: Wendell Stanley

    Explanation: Stanley first crystallized TMV in 1935, proving viruses have a chemical nature. Iwanowski is tempting but he only demonstrated filterability.