Which of the following is used for the proper maintenance and preservation of pure cultures? A- Periodic transfer to fresh media B- Preservation by overlaying cultures with mineral oil C- Preservation by lyophilization D- All of the above

Which of the following is used for the proper maintenance and preservation of pure
cultures?
A- Periodic transfer to fresh media
B- Preservation by overlaying cultures with mineral oil
C- Preservation by lyophilization
D- All of the above
by

1 Answer

Answer :

All of the above
by

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