Both have phosphate-pentose back bone, as well as both have adenine, cytosine and guanine bases.
Answer:
It's not C or D because the Crust is actaully around 36km thick so that means it's eitehr A or B and the crust is mostly made form granite so Ima say B is the answer
Typically, the nucleus is the most prominent organelle in a cell. Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Therefore, the nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.
