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

Answer

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.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.