Murray is observing a bacterial colony that is growing in agar in a Petri dish. Agar is processed seaweed. Murray calculates that the population doubles in size every 32 hours. Which conclusion is supported by Murray's observations?

Question

02-04-2021
Biology

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Murray is observing a bacterial colony that is growing in agar in a Petri dish. Agar is processed seaweed. Murray calculates that the population doubles in size every 32 hours. Which conclusion is supported by Murray's observations?

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Surnia Surnia · Answer 1 · 2021-04-07T03:04:31+02:00

Answer: The air surrounding the petri dish and the agar medium are providing the necessary resources required for the growth of the bacteria.

Explanation:

Bacteria require food, suitable environment and water necessary for the growth and survival of the bacteria. Nutrient agar is sufficient to provide all these resources to bacteria necessary for survival and reproduction. Also the short generation time of bacteria allows the colonization at a faster pace. The nutrient agar provide resources which sustain the carrying capacity of the agar for longer.