QUESTION 8 Consider the pathway for the synthesis of the amino acid arginine in Neurospora: ARG-E ARG-F ARG-H ornithine citrulline - argininosuccinate arginine -> Mutant strains of Neurospora may carry one or more mutations. Neurospora mutant strain b is grown on minimal media plus supplements as shown. Growth is shown by (+) and no growth is shown by (0). Supplements ornithine nothing citrulline arginino- mutant arginine strain succinate a What can you conclude from these data? O Strain a has only one mutation and it is in ARG-E. O Strain b has only one mutation and it is in ARG-H O Strain a has a mutation in ARG-F and strain b has a mutation in ARG-E O Strain b has mutations in ARG-E, ARG-F, and ARG-H.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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QUESTION 8
Consider the pathway for the synthesis of the amino acid arginine in Neurospora:
ARG-E
→ citrulline
ARG-F
ARG-H
ornithine
argininosuccinate arginine
Mutant strains of Neurospora may carry one or more mutations. Neurospora mutant strain b is grown on minimal media plus supplements as shown.
Growth is shown by (+) and no growth is shown by (o).
Supplements
ornithine
mutant nothing
citrulline
arginino-
succinate
arginine
strain
What can you conclude from these data?
O Strain a has only one mutation and it is in ARG-E.
O Strain b has only one mutation and it is in ARG-H.
O Strain a has a mutation in ARG-F and strain b has a mutation in ARG-E.
O Strain b has mutations in ARG-E, ARG-F, and ARG-H.
+ +
Transcribed Image Text:QUESTION 8 Consider the pathway for the synthesis of the amino acid arginine in Neurospora: ARG-E → citrulline ARG-F ARG-H ornithine argininosuccinate arginine Mutant strains of Neurospora may carry one or more mutations. Neurospora mutant strain b is grown on minimal media plus supplements as shown. Growth is shown by (+) and no growth is shown by (o). Supplements ornithine mutant nothing citrulline arginino- succinate arginine strain What can you conclude from these data? O Strain a has only one mutation and it is in ARG-E. O Strain b has only one mutation and it is in ARG-H. O Strain a has a mutation in ARG-F and strain b has a mutation in ARG-E. O Strain b has mutations in ARG-E, ARG-F, and ARG-H. + +
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