Answer:
Explanation:
This is known as the RNA world hypothesis. Scientists favor RNA over DNA as the first genetic molecule for several reasons. Perhaps the most important is that RNA can, in addition to carrying information, act as a catalyst. ... A catalytic RNA could, potentially, catalyze a chemical reaction to copy itself.
DD, because Dd and dd have matching colored feathers to the trees. This makes them harder to see by the hawks. And DD parrots dont have as good of a camoflauge as the other two, ann their feather colors don't match the leaves as well as the other two.
Answer:
Cell fractionation allows to study the different parts of a cell in isolation.When the organelles have been isolated, you can see which organelles make the most energy.
