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.
Answer:
my guess is C- to breathe...but the respiratory system also gets rid of waste, but mainly to help a person breathe
Explanation:
hope this helps
<span><span>Vincenzo Bellini, </span><span>Gioacchino Rossini, </span>Gaetano Donizetti </span>were all opre singers they lived in germany and were classical opre singers they released an album in 1988 also i think this would fall under "arts"
Each person has a unique DNA profile. To determine paternity, only a very limited amount of tissue is used to match the DNA profile of the potential father to that of the child. The genetic test performed to determine whether a tissue sample belongs to a specific suspect needs a more extended tissue sample.