QUESTION 6 A series of experiments were performed in Neurospora crassa in order to define the tryptophan biosynthesis pathway. In one of these experiments, five tryptophan auxotrophs were isolated and tested for growth on tryptophan and five other known intermediates in the tryptophan biosynthesis pathway. The growth responses are shown below: Growth on Anthranilic Acid (AA) Growth on Indole Growth on Indole Glycerol Phosphate (IGP) Growth on Chorismic Acid (CA) Growth on N- Anthranilate (NA) Growth on Tryptophan Mutants: trp-1 trp-2 + + trp-3 + trp-4 + + + trp-5 + + + - + + + + + + Using the growth data in the above table, indicate the precursor (molecule that you start with) and the order of the intermediates in this pathway (please use exact spelling or abbreviation). Rxnl Rxn2 Rxn3 Rxn5 Tryptophan Rxn4 Indicate the mutant that is associated with the enzyme that catalyzes the reactions for tryptophan biosynthesis using the data given in the above table. Rxn1: Rxn2: Rxn3: Rxn4: Rxn5:
QUESTION 6 A series of experiments were performed in Neurospora crassa in order to define the tryptophan biosynthesis pathway. In one of these experiments, five tryptophan auxotrophs were isolated and tested for growth on tryptophan and five other known intermediates in the tryptophan biosynthesis pathway. The growth responses are shown below: Growth on Anthranilic Acid (AA) Growth on Indole Growth on Indole Glycerol Phosphate (IGP) Growth on Chorismic Acid (CA) Growth on N- Anthranilate (NA) Growth on Tryptophan Mutants: trp-1 trp-2 + + trp-3 + trp-4 + + + trp-5 + + + - + + + + + + Using the growth data in the above table, indicate the precursor (molecule that you start with) and the order of the intermediates in this pathway (please use exact spelling or abbreviation). Rxnl Rxn2 Rxn3 Rxn5 Tryptophan Rxn4 Indicate the mutant that is associated with the enzyme that catalyzes the reactions for tryptophan biosynthesis using the data given in the above table. Rxn1: Rxn2: Rxn3: Rxn4: Rxn5:
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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