Suppose it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.5-billion-year-old rock formations.Which of the following structures would be surprising to observe?
A)RNA
B)vesicles with a membrane
C)a nucleus
D)ribozymes

Question

Quizplus · Accepted Answer

The presence of a nucleus in 3.5-billion-year-old rock formations would be surprising because nuclei did not evolve until much later in the history of life on Earth. The other options (RNA, vesicles with a membrane, ribozymes) are all plausible components of early life forms.

Suppose It Were Possible to Conduct Sophisticated Microscopic and Chemical