Lab Day 3: Observing Mating Plate and Testing for Recombination

Fill in the blank: The plates should be incubated at ___°C for 24–48 hours at room temperature.

• 25

• 37

• 50

• 100

What is the purpose of transferring bacterial cells from the mating plate to other plates?

• To observe bacterial growth

• To test for recombination

• To clean the plates

• To label the plates

Fill in the blank: After transferring bacteria, the loop should be discarded in the ___ container.

• Waste

• Disposal

• Recycling

• Storage

In the bacterial conjugation experiment, which antibiotic is represented by 'str'?

• Streptomycin

• Ampicillin

• Penicillin

• Tetracycline

What temperature is recommended for incubating the plates in the bacterial conjugation experiment?

• 25°C

• 37°C

• 50°C

• 100°C