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An additional gene, called W, is found that affects the synthesis of enzymes 1 and 2. Mutant d has a recessive mutation in gene W. genotype enzyme activity without fictamine with fictamine strain W Y Z 1 2 wild-type + + + mutant a + + mutant b + + mutant c + mutant d + ++ ++ Once again, justify each answer in one sentence. i) Is gene W most likely a positive or a negative regulator? ii) Is the activity of W activated or inactivated by the presence of fictamine? + + + + + + + ++ ¦ : ++ ++ -- ++ ++ ! ! ! ! : : ++

An additional gene, called W, is found that affects the synthesis of enzymes 1 and 2. Mutant d has a recessive mutation in gene W. genotype enzyme activity without fictamine with fictamine strain W Y Z 1 2 wild-type + + + mutant a + + mutant b + + mutant c + mutant d + ++ ++ Once again, justify each answer in one sentence. i) Is gene W most likely a positive or a negative regulator? ii) Is the activity of W activated or inactivated by the presence of fictamine? + + + + + + + ++ ¦ : ++ ++ -- ++ ++ ! ! ! ! : : ++

Human Anatomy & Physiology (11th Edition)
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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An additional gene, called W, is found that affects the synthesis of enzymes 1 and 2. Mutant d has a recessive mutation in gene W. genotype enzyme activity without fictamine with fictamine 1 strain W X Y 1 2 2 wild-type + ++ ++ mutant a + mutant b + mutant c + + + mutant d + + ++ Once again, justify each answer in one sentence. i) Is gene W most likely a positive or a negative regulator? ii) Is the activity of W activated or inactivated by the presence of fictamine? + + + + Z + + + + ++ ++ H ++ ++ ! 1 ++
Transcribed Image Text:An additional gene, called W, is found that affects the synthesis of enzymes 1 and 2. Mutant d has a recessive mutation in gene W. genotype enzyme activity without fictamine with fictamine 1 strain W X Y 1 2 2 wild-type + ++ ++ mutant a + mutant b + mutant c + + + mutant d + + ++ Once again, justify each answer in one sentence. i) Is gene W most likely a positive or a negative regulator? ii) Is the activity of W activated or inactivated by the presence of fictamine? + + + + Z + + + + ++ ++ H ++ ++ ! 1 ++
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