What type of macromolecule comprises the genetic material of cellular organisms?
Correct answer: Deoxyribonucleic acid

Heartland Old Guy
nimblemoon, hey, don't feel like that. I had to stop and think about it, and I know what it is. I think it was just the way it was worded.

sunsetdb7
nimblemoon, You have never heard of DNA?

Pimpao +
My high school choice of biology and health sciences made the difference on this question