ecall the E. coli long-term evolution experiment. What is the evidence that supports the notion of “historical contingency”? A. All strains that evolved to be Cit+ were found to have changes to the exact same gene. B. Cit+ cells could import citrate under both low oxygen and high oxygen conditions. C. That after 30,000 generations the genotypes of all 12 lines were identical. D. Replay experiments only produced new Cit+ strains after 20,000 generations

For this experiment, 12 populations of the bacteria Escherichia coli were taken. The glucose-limited…

Answered: ecall the E. coli long-term evolution…

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

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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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ecall the E. coli long-term evolution experiment. What is the evidence that supports the notion of “historical contingency”?

A.
All strains that evolved to be Cit+ were found to have changes to the exact same gene.
B.
Cit+ cells could import citrate under both low oxygen and high oxygen conditions.
C.
That after 30,000 generations the genotypes of all 12 lines were identical.
D.
Replay experiments only produced new Cit+ strains after 20,000 generations

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