10. In a secret cabinet of a lab, you find two Petri dishes in storage and a mysterious lab notebook. In an effort to identify the bacteria, you run some tests (taking all necessary safety precautions) and look through the lab notebook. You find that the two Petri dishes contain the same type of nutrient medium and both bacteria seem to be Escherichia sp., but that the bacteria in plate 1 are producing large amounts of a variety of neurotoxins. The bacteria in plate 2 are not producing any major exported product. You also find this chart in the lab notebook: A E. coli growth rate (biomass/hour) Given that Strain 2 is normal E.coli (the control) and Strain 1 is a genetically engineered strain of E.coli, which line is most likely to represent strain 1, and why? A. Line B, since strain 1 should exhibit lower than normal growth efficiency. B. Line B, since strain 1 should exhibit higher than normal growth efficiency. C. Line A, since strain 1 should exhibit lower than normal growth efficiency. D. Line A, since strain 1 should exhibit higher than normal growth efficiency. E. The E. coli line should represent both, since Strain 1 should have the same growth efficiency as a normal E. coli strain. specitic respiration (mol O2/unit biomass)
10. In a secret cabinet of a lab, you find two Petri dishes in storage and a mysterious lab notebook. In an effort to identify the bacteria, you run some tests (taking all necessary safety precautions) and look through the lab notebook. You find that the two Petri dishes contain the same type of nutrient medium and both bacteria seem to be Escherichia sp., but that the bacteria in plate 1 are producing large amounts of a variety of neurotoxins. The bacteria in plate 2 are not producing any major exported product. You also find this chart in the lab notebook: A E. coli growth rate (biomass/hour) Given that Strain 2 is normal E.coli (the control) and Strain 1 is a genetically engineered strain of E.coli, which line is most likely to represent strain 1, and why? A. Line B, since strain 1 should exhibit lower than normal growth efficiency. B. Line B, since strain 1 should exhibit higher than normal growth efficiency. C. Line A, since strain 1 should exhibit lower than normal growth efficiency. D. Line A, since strain 1 should exhibit higher than normal growth efficiency. E. The E. coli line should represent both, since Strain 1 should have the same growth efficiency as a normal E. coli strain. specitic respiration (mol O2/unit biomass)
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:10. In a secret cabinet of a lab, you find two Petri dishes in storage and a mysterious lab
notebook. In an effort to identify the bacteria, you run some tests (taking all necessary
safety precautions) and look through the lab notebook. You find that the two Petri
dishes contain the same type of nutrient medium and both bacteria seem to be
Escherichia sp., but that the bacteria in plate 1 are producing large amounts of a variety
of neurotoxins. The bacteria in plate 2 are not producing any major exported product.
You also find this chart in the lab notebook:
A
E. coli
growth rate (biomass/hour)
Given that Strain 2 is normal E.coli (the control) and Strain 1 is a genetically engineered
strain of E.coli, which line is most likely to represent strain 1, and why?
A. Line B, since strain 1 should exhibit lower than normal growth efficiency.
B. Line B, since strain 1 should exhibit higher than normal growth efficiency.
C. Line A, since strain 1 should exhibit lower than normal growth efficiency.
D. Line A, since strain 1 should exhibit higher than normal growth efficiency.
E. The E. coli line should represent both, since Strain 1 should have the same growth efficiency
as a normal E. coli strain.
specitic respiration
(mol O2/unit biomass)
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