13) A researcher is studying the synthesis of a specific amino acid found in Neurospora. She knows that the pathway begins with a precursor that is converted into the amino acid with two known intermediates (Substance Blue and Substance Green). She accurately predicts that this amino acid synthesis pathway is catalyzed by three enzymes, (I, II, and III). She subsequently identifies three mutants that she calls Mutant I, Mutant II, and Mutant III. With the information about the mutants 13) below place the enzymes in the order that the enzymes act in this pathway. (Note: the numbers I, II, don't necessarily indicate the order in which the enzymes appear.) Mutant I (only Enzyme I is mutated) is unable to synthesize the amino acid even if she provided the mutant with both Substance Blue and Substance Green. Mutant II (only Enzyme II is mutated) is able to synthesize the amino acid if she provided the mutar Substance Blue or Substance Green. Mutant III (only Enzyme III is mutated) is able to make the amino acid if she provided the mutant w Substance Green, but not if she provided the mutant with only Substance Blue. A) I, П, IШ В) II, Ш, І С) П, І, Ш D) Ш, І, II E) Ш, П, І F) More than one codon can specify a given amino acid.
13) A researcher is studying the synthesis of a specific amino acid found in Neurospora. She knows that the pathway begins with a precursor that is converted into the amino acid with two known intermediates (Substance Blue and Substance Green). She accurately predicts that this amino acid synthesis pathway is catalyzed by three enzymes, (I, II, and III). She subsequently identifies three mutants that she calls Mutant I, Mutant II, and Mutant III. With the information about the mutants 13) below place the enzymes in the order that the enzymes act in this pathway. (Note: the numbers I, II, don't necessarily indicate the order in which the enzymes appear.) Mutant I (only Enzyme I is mutated) is unable to synthesize the amino acid even if she provided the mutant with both Substance Blue and Substance Green. Mutant II (only Enzyme II is mutated) is able to synthesize the amino acid if she provided the mutar Substance Blue or Substance Green. Mutant III (only Enzyme III is mutated) is able to make the amino acid if she provided the mutant w Substance Green, but not if she provided the mutant with only Substance Blue. A) I, П, IШ В) II, Ш, І С) П, І, Ш D) Ш, І, II E) Ш, П, І F) More than one codon can specify a given amino acid.
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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Transcribed Image Text:13) A researcher is studying the synthesis of a specific amino acid found in Neurospora. She knows that
the pathway begins with a precursor that is converted into the amino acid with two known
intermediates (Substance Blue and Substance Green). She accurately predicts that this amino acid
synthesis pathway is catalyzed by three enzymes, (I, II, and III). She subsequently identifies three
mutants that she calls Mutant I, Mutant II, and Mutant III. With the information about the mutants
13)
below place the enzymes in the order that the enzymes act in this pathway. (Note: the numbers I, II,
don't necessarily indicate the order in which the enzymes appear.)
Mutant I (only Enzyme I is mutated) is unable to synthesize the amino acid even if she provided the
mutant with both Substance Blue and Substance Green.
Mutant II (only Enzyme II is mutated) is able to synthesize the amino acid if she provided the mutar
Substance Blue or Substance Green.
Mutant III (only Enzyme III is mutated) is able to make the amino acid if she provided the mutant w
Substance Green, but not if she provided the mutant with only Substance Blue.
A) I, П, IШ
В) II, Ш, І
С) П, І, Ш
D) Ш, І, II
E) Ш, П, І
F) More than one codon can specify a given amino acid.
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