Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 30.3, Problem 1EQ
Summary Introduction
To describe: The reason why the investigators feed experimental mice germ-free food.
Introduction: An investigation is done by Blanton, Gorden, and Associates on mice. They did this investigation to prove the hypothesis which states that, if the microbiome is taken from a malnourished child is transplanted into the mice then this will affect the growth of the mice.
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What were the challenges in manufacturing vaccine? Why was speed necessary? What were the obstacles.
What else was unexpected in Griffith's experiment?
a. )Griffith recovered infectios S train pneumonococci from the heart of the live mice
b.)Griffith recovered infectios S train pneumonococci from the heart of the dead mice
c.)Griffith recovered infectios R train pneumonococci from the heart of the live mice
d.) Griffith recovered infectios R train pneumonococci from the heart of the live mice
All questions
a) What is the hypothesis of Griffith’s experiment?
b) Why did mouse No. 3 survived?
c) Why did mouse No. 4 died?
d) If Griffith had injected a fifth mouse with a combination of heat-killed R strain bacteria and heat-killed S strain bacteria, would the mouse have died? Give your reason.
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