4.1: Learning Objectives

Bio 221Lab: Introduction to Microbiology · LibreTexts

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    From LibreTexts, under CC BY, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Learning Objectives

    After this lab you should be able to:

    1. Observe sources of bacteria and fungi from the environment in, and around, the laboratory.
    2. Define the term ubiquitous.
    3. Describe some consequences of exposing your cultures to the air or non-sterile objects.
    4. Apply your observations to the practice of Aseptic Technique.

    Microbes are ubiquitous. No doubt you’ve probably heard that by now in class or lab. In order for you to develop skills with aseptic technique, it helps for you to see this firsthand. What microbes are in the air? What microbes are found on the surfaces of things around you? We will continually stress the importance of protecting your cultures (and yourself and others) from contamination. This exercise will show you where sources of bacterial and fungal contamination can be found, and how common microbes are in our environment.

    A petri dish with several fungal cultures, displaying green and white mold growth on a yellow agar surface.

    This page titled 4.1: Learning Objectives was last modified on Sat, 16 May 2026 01:42:06 GMT and is shared under a CC BY license and was authored, remixed, and/or curated by Kelly C. Burke.