Various Techniques Have Been Developed to Isolate Strains of Bacteria

question 58

Multiple Choice

Various techniques have been developed to isolate strains of bacteria carrying a particular mutation.One of them is,bacteria containing wild-type cells and cells of a desired mutant are grown on a medium lacking the nutrient for which the desired mutants are auxotrophic but containing an antibiotic that only kills growing cells.In this environment,

• A)both wild-type and mutant cells are killed.
• B)both wild-type and mutant cells survive.
• C)wild-type cells survive; mutant cells die.
• D)wild-type cells die; mutant cells survive.
• E)only double mutants survive.

---

Definitions:

Perfume

A fragrant liquid typically made from essential oils or aroma compounds, used to give a pleasant scent to a person's body.

Recommends

Suggests or advises as a choice for someone to consider or undertake.