Answer:
B.
Explanation:
Because if they have traces of RNA in them, then it might be the first genetic material
I think this is an theory changing because a new scientific method was developed. They used what Mendel had learned to test the hypothesis themselves and discovered that he was right.
Carbon is found in the atmosphere mostly as carbon dioxide.
B
Information is encoded in DNA, then copied onto RNA during transcription. Then, ribosomes convert the information carried in RNA into a protein, in the process of translation. Also, A and D could be ruled out because DNA and RNA are solely involved with proteins, but polysacchariades are chains of sugars.
The Mitochrodria helps break down sugar and turns it into energy
