Multiple Choice
Carl Woese and George Fox derived the three-domain system based on ____.
A) comparing shared morphological characters
B) determining the activities of molecular replicators
C) comparing sequences of ribosomal RNA (rRNA) genes
D) analyzing membrane lipid composition
E) searching for introns in the genomes
Correct Answer:

Verified
Correct Answer:
Verified
Q6: Which feature of Archaea is shared with
Q7: Experimental studies have produced ribozymes that _.<br>A)
Q8: Where did Earth's atmosphere originate?<br>A) Earth's gravity
Q9: Evolutionarily, Archaea likely arose _ Bacteria.<br>A) as
Q10: The hypothesis that life evolved on another
Q12: Why is the distance of Earth from
Q13: The continuously sparking electrodes in the apparatus
Q14: Early biological activity may be found in
Q15: If RNA was the first information storage
Q16: What is an alternative to RNA as