Which of the colonies are leucine auxotrophs? GMSA is the negative control, with no additional nutrients added. The following results were obtained from a replica-plating experiment: 2 3 4 5 7 8 9 Complete medium Glucose minimal GMSA + leucine salts (GMSA) 1, 2, 3, and 9 O 4, 6, and 8 O 4, 5, 6, and 7 5 and 7

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 33SST
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Which of the colonies are leucine auxotrophs? GMSA is the negative control, with no additional nutrients added. 

I selected 5 and 7, but this answer is incorrect. Please help.

Which of the colonies are leucine auxotrophs? GMSA is the negative control, with no additional nutrients added.
The following results were obtained from a replica-plating experiment:
1 2
3
4
5 6
7 8 9
Complete
Glucose minimal
GMSA +
medium
salts (GMSA)
leucine
O 1, 2, 3, and 9
O 4, 6, and 8
O 4, 5, 6, and 7
5 and 7
Transcribed Image Text:Which of the colonies are leucine auxotrophs? GMSA is the negative control, with no additional nutrients added. The following results were obtained from a replica-plating experiment: 1 2 3 4 5 6 7 8 9 Complete Glucose minimal GMSA + medium salts (GMSA) leucine O 1, 2, 3, and 9 O 4, 6, and 8 O 4, 5, 6, and 7 5 and 7
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