QUESTION IMAGE
Question
when inoculating semi-solid agar medias, it is important to dig in with the loop to deliver sufficient bacteria to the media.
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Brief Explanations
Semi-solid agar media is often used to test bacterial motility. Inoculation is done by stabbing the media with an inoculation needle (not digging in with a loop) to place bacteria into the medium, as a loop would not effectively deliver bacteria deep into the semi-solid agar in the way needed, and the tool of choice is a needle, not a loop for this purpose.
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