Question: Suppose A Mutant Strain Of Escherichia Coli Strain MG1655 Contains A Single Mutation In The TrpE Gene And Is No Longer Able To Make Tryptophan. Which Of The Following Statements Are Correct? A. The Strain Is A Tryptophan Prototroph B. The Strain Is A Tryptophan Auxotroph C. The Strain Is A Tryptophan Phototroph D. The Strain Is A Aspartic Acid Prototroph …

Question: Suppose A Mutant Strain Of Escherichia Coli Strain MG1655 Contains A Single Mutation In The TrpE Gene And Is No Longer Able To Make Tryptophan. Which Of The Following Statements Are Correct? A. The Strain Is A Tryptophan Prototroph B. The Strain Is A Tryptophan Auxotroph C. The Strain Is A Tryptophan Phototroph D. The Strain Is A Aspartic Acid Prototroph …

Suppose a mutant strain of Escherichia coli strainMG1655 contains a single mutation in the trpE gene and isno longer able to make tryptophan. Which of the followingstatements are correct?

A.

The strain is a tryptophan prototroph

B.

The strain is a tryptophan auxotroph

C.

The strain is a tryptophan phototroph

D.

The strain is a aspartic acid prototroph

E. The strain is a aspartic acid auxotroph

F. The strain will only grow when exogenous tryptophan is addedto complex media.

G. Growth of the strain does not require the addition ofexogenous tryptophan in complex media.

H. The strain will only grow when exogenous tryptophan is addedto defined minimal media.

I. Growth of the strain does not require the addition ofexogenous tryptophan in defined minimal media.