Multiple choice

DNA in the mitochondria was first observed and proved by:

  1. Palade

  2. Lehninger

  3. Altmann

  4. Nass
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nass and Nass (1963) first demonstrated and proved the presence of DNA in mitochondria using electron microscopy and staining techniques. While Altmann had observed mitochondria earlier (calling them bioblasts) and Lehninger studied mitochondrial functions, Nass provided the definitive evidence of mitochondrial DNA.

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