Microbiology Day 7 - Microbiology Day#7 10:20 B-casein-> in...

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Microbiology Day #7 10:20 B-casein --> in nature, the scientist showed this could happen. They showed from pure culture then from a colon. The proteins from milk you drink go to the stomach and in the stomach, the protein hydrolyzes. Therefore, when it hits the colon, the casein wouldn't be there since it would have been hydrolyses, unless it was preserved - Therefore, delivery of a product is important since the body can alter it. Nucelotide carriers are involved in the assembly and repair proteoglycans. Pentapeptide binds to bactophenol which is lipid carrier to carry it out. Autolysin needs to occur because you need free ends to make connection. Therefore, autolysin makes break in the chain to allow new peptoglycan monomers to attach. Once PG is out, transpeptidation occurs and DAP will make peptide bond with fourth amino acid and 5 th alanine is removed. -Bacitracin inhibits bactoprenol carrier. So, the monomer can't get out to cell wall and this is how some antibiotics work.
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