ICSE Class 9 Answered
Why do moulds grow only in the upper layers of the substratum?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Respiration in bread moulds is aerobic. Therefore, they always grow in the upper layers of the substratum so that they continue to obtain oxygen from the atmospheric air.
Answered by | 04 Jun, 2014, 03:23: PM
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