CAMPBELL BIO: CONCEPTS&CONNECTIONS (LL)
CAMPBELL BIO: CONCEPTS&CONNECTIONS (LL)
20th Edition
ISBN: 9780134610078
Author: Reece
Publisher: PEARSON
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Chapter 16, Problem 12TYK

Which of the following experiments could test the hypothesis that bacteria cause ulcers in humans? (Assume each experiment includes a control group.) Explain what evidence would be provided by the results of the experiment.

a. Identify the microbes found in the stomachs of ulcer patients.

b. Treat a group of ulcer patients with antibiotics.

c. Place a group of ulcer patients on a strict low-acid diet.

d. Obtain stomach fluid from ulcer patents and feed it to mice.

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