You identify an auxotroph that doesn't grow in normal medium, but does grow in medium supplemented with Q, indicating that it has a defect in one or more enzymes in this pathway. This auxotroph is also able to grow if you supplement the medium with D. Does this data support the one gene-one enzyme hypothesis? a yes, because only one enzyme is disrupted by the mutation b yes, because only one enzyme in the pathway is functional in the mutant strain c no, because multiple enzymes in the pathway could be functional in the mutant strain d no, because multiple enzymes could be disrupted by the mutation
You identify an auxotroph that doesn't grow in normal medium, but does grow in medium supplemented with Q, indicating that it has a defect in one or more enzymes in this pathway. This auxotroph is also able to grow if you supplement the medium with D. Does this data support the one gene-one enzyme hypothesis? a yes, because only one enzyme is disrupted by the mutation b yes, because only one enzyme in the pathway is functional in the mutant strain c no, because multiple enzymes in the pathway could be functional in the mutant strain d no, because multiple enzymes could be disrupted by the mutation
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question
You identify an auxotroph that doesn't grow in normal medium, but does grow in medium supplemented with Q, indicating that it has a defect in one or more enzymes in this pathway. This auxotroph is also able to grow if you supplement the medium with D. Does this data support the one gene-one enzyme hypothesis?
| a | yes, because only one enzyme is disrupted by the mutation |
| b |
yes, because only one enzyme in the pathway is functional in the mutant strain |
| c |
no, because multiple enzymes in the pathway could be functional in the mutant strain |
| d |
no, because multiple enzymes could be disrupted by the mutation |
Transcribed Image Text:E1 E2
ЕЗ
E4
E5
X— Ү — Z —
Р— D — Q
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