<P> Fetal bovine serum (FBS) comes from the blood drawn from a bovine fetus via a closed system of collection at the slaughterhouse . Fetal bovine serum is the most widely used serum - supplement for the in vitro cell culture of eukaryotic cells . This is due to it having a very low level of antibodies and containing more growth factors, allowing for versatility in many different cell culture applications . </P> <P> The globular protein, bovine serum albumin (BSA), is a major component of fetal bovine serum . The rich variety of proteins in fetal bovine serum maintains cultured cells in a medium in which they can survive, grow, and divide . </P>

What is the role of serum in cell culture
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