Q34
W, X and Y are the intermediates in a biochemical pathway as shown below: S W X Y Z Mutants auxotrophic for Z are found in four different complementation groups, namely Z1, Z2, Z3 and Z4. The growth of these mutants on media supplemented with W, X, Y or Z is shown below (Yes: growth observed: No: growth not observed): Mutants Media Supplemented with Mutants W X Y Z Z1 No No Yes Yes Z2 No Yes Yes Yes Z3 No No No Yes Z4 Yes Yes Yes Yes What is the order of the four complementation groups in terms of the step they block?
W, X and Y are the intermediates in a biochemical pathway as shown below:
Mutants auxotrophic for Z are found in four different complementation groups, namely Z1, Z2, Z3 and Z4. The growth of these mutants on media supplemented with W, X, Y or Z is shown below (Yes: growth observed: No: growth not observed):
What is the order of the four complementation groups in terms of the step they block?
Mutants auxotrophic for Z are found in four different complementation groups, namely Z1, Z2, Z3 and Z4. The growth of these mutants on media supplemented with W, X, Y or Z is shown below (Yes: growth observed: No: growth not observed):
| Mutants | Media Supplemented with Mutants | |||
| W | X | Y | Z | |
| Z1 | No | No | Yes | Yes |
| Z2 | No | Yes | Yes | Yes |
| Z3 | No | No | No | Yes |
| Z4 | Yes | Yes | Yes | Yes |
What is the order of the four complementation groups in terms of the step they block?
A.
B.
Answer
C.
D.
Answer: Option B
Solution
Answer: Option B
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