Ascientist is studying a form of marine bacteria growing in culture dishes. he noticed that a clear area formed around the mold where the bacteria that had grown in this area died (this is now referred to as a zone of inhibition). in the culture dishes that had no mold, no zones of inhibition were present. formulate a valid hypothesis based on his observations.
a.) the temperature in the lab was too cold for the mold to grow.
b.) the mold must be producing a chemical that killed the bacteria.
c.) the bacteria must be producing a chemical that killed the mold.
d.) the temperature in the lab was too cold for the bacteria to grow.
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