Abnormally small colonies are often observed after a bacterial culture has been exposed to UV light. This is because cells spend an extended time in the stationary phase of the growth curve.
Added by Scott H.
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Step 1: When bacterial cells are exposed to UV light, it can cause damage to their DNA, leading to mutations and inhibiting their ability to replicate properly. Show more…
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i want a discussion for effect of UV light on growth of microorganisms my hypothesis is that when we expose it for longer period less colonies appear
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