Practice: A mutant strain of bacteria requiring additional growth factors that is not seen in the wildtype strain is called:
Concept #1: Prototrophs vs. Auxotrophs
Example #1: Can His+ cells survive on an agar plate that does not contain the amino acid histidine?
Practice: A mutant strain of bacteria requiring additional growth factors that is not seen in the wildtype strain is called:
Practice: Which of the following answers about His+ prototrophs and His- auxotrophs is incorrect?
