Three major types of RNA<span> are </span>mRNA<span>, or </span>messenger RNA<span>, that serve as temporary copies of the information found in DNA; rRNA, or ribosomal </span>RNA<span>, that serve as structural components of protein-making structures
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Both protons and electrons has 21.
A. water is the correct choice
Since plasma cells make your antibodies, they need to produce a lot of protein. Also because the nucleus makes a lot of products to make proteins you need a large Golgi Body. How ER's relate to this: to do protein synthesis you need ribosomes and to have ribosomes you need the rough ER!