If element x has 64 protons, how many electrons does it have?

Dna and rna share a number of similarities, but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna

The climate on the leeward side of a mountain differs from that on the windward side mostly in

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f о