RI-a Compound tested A B C DEG1 lod bos 2g 1 Mutanf 1 3. 4 101 + a. What is the order of compounds A to E in the pathway? b. At which point in the pathway is each mutant blocked? c. Would a heterokaryon composed of double mutants 1,3 and 2,4 grow on a minimal medium? Would 1,3 and 3,4? Would 1,2 and 2,4 and 1,4? | | |++ | + 1+ +

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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15. Several mutants are isolated, all of which require com-
pound G for growth. The compounds (A to E) in the bio-
synthetic pathway to G are known, but their order in the
pathway is not known. Each compound is tested for its
ability to support the growth of each mutant (1 to 5). In
the following table, a plus sign indicates growth and a
minus sign indicates no growth.
olord bos og elu Compound tested
А В
B CDEG
Mutanf 1
a. What is the order of compounds A to E in the pathway?
b. At which point in the pathway is each mutant blocked?
c. Would a heterokaryon composed of double mutants
1,3 and 2,4 grow on a minimal medium? Would 1,3 and
3,4? Would 1,2 and 2,4 and 1,4?
+ + + +
3 45
Transcribed Image Text:15. Several mutants are isolated, all of which require com- pound G for growth. The compounds (A to E) in the bio- synthetic pathway to G are known, but their order in the pathway is not known. Each compound is tested for its ability to support the growth of each mutant (1 to 5). In the following table, a plus sign indicates growth and a minus sign indicates no growth. olord bos og elu Compound tested А В B CDEG Mutanf 1 a. What is the order of compounds A to E in the pathway? b. At which point in the pathway is each mutant blocked? c. Would a heterokaryon composed of double mutants 1,3 and 2,4 grow on a minimal medium? Would 1,3 and 3,4? Would 1,2 and 2,4 and 1,4? + + + + 3 45
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