Friedrich Miescher,after he began to study the chemical composition of the nucleus,was one of the first to ____.
A) propose the nuclear structure of the H5N1 virus
B) discover that the nucleus contained DNA but no proteins
C) discover that human and mice chromosome chemistry differs greatly
D) isolate DNA and propose its structure
E) isolate and purify a cellular organelle

Question

Quizplus · Accepted Answer

Friedrich Miescher was one of the first to isolate and purify a cellular organelle, specifically the nucleus, and he discovered a substance he called "nuclein," which we now know as DNA.

Friedrich Miescher,after He Began to Study the Chemical Composition of the Nucleus,was