What is RNA? Cell biology and evolution
RNA molecule: A single strand of RNA, seen under an electron microscope The RNA molecule was probably one of the earliest steps towards life on Earth. RNA is short for [...]
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What is the endoplasmic reticulum? Parts of a cell
Endoplasmic reticulum inside a cell What's it made of? The endoplasmic reticulum is made out of a lipid membrane, just like the cell membrane around the outside of a cell, [...]
