Why is RNA thought to have preceded DNA in evolution? What ...

[maegan_martin]

Why is RNA thought to have preceded DNA in evolution?
 
  What will be an ideal response?

Question 2

The Mediterranean climate is only found in five areas of the world.
 
  Indicate whether the statement is true or false

[ong527]

Answer to Question 1

RNA is thought to have come first because, unlike DNA, RNA exhibits some catalytic activity and therefore simpler RNA molecules might have been able to self-replicate. Thus, the possibility exists that RNA could have evolved and functioned without the assistance of the enzymes it creates.

Answer to Question 2

TRUE