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    • Monthly Archives: February 2013

    15 Feb

    Bacterial Cell Wall

    Posted by Paul

    The bacterial cell wall contains a common and important component called peptidoglycan, which is only found in prokaryotes. Peptidoglycan is a polymer of alternating n-acetyl-glucosamine (NAG) and n-acetyl-muramic acid (NAM) which are linked by a covalent bond. Each NAM contains … Continue reading →

    01 Feb

    Ultraviolet Light

    Posted by Paul

    Ultraviolet light also referred to as UV light can be used as a germicidal agent to sterilize surfaces where sensitive microbiology techniques are being performed. UV light is nonionizing short wavelength radiation that falls between 4nm and 400nm in the … Continue reading →