Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 1 - The Science of Biology - Review Questions - Synthesize: 2a


The original shape of the flask and the fact that it is sterilized at the start of the experiment are kept constant.

Work Step by Step

Pasteur always used a swan-necked flasks and always sterilized the broth. He did this because he wanted to see if sterility, started by the boiling and maintained by the shape of the flask, ensured a lack of living cells.
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