"Rice-water stools" are associated with disease caused by which organism?

A. Vibrio parahaemolyticus
B. Vibrio cholerae
C. Helicobacter pylori
D. Campylobacter jejuni
E. Vibrio vulnificus


Answer: B

Biology & Microbiology

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An increase to 0.5% carbon dioxide in the air (from the normal 0.03%) makes a person breathe 10 times faster. Which alteration in homeostatic conditions in the blood would limit how long a person can hold their breath?

A. Lack of carbon dioxide raises the pH. B. Lack of oxygen raises the pH. C. Buildup of carbon dioxide lowers the pH. D. Buildup of oxygen lowers the pH. E. Buildup of nitrogen raises the pH.

Biology & Microbiology

The condition known as acid reflux occurs when the lower esophageal sphincter malfunctions

Indicate whether the statement is true or false

Biology & Microbiology

You are working in a research lab on the organism Drosophila melanogaster and you have been given

the job of determining the relative positions of three linked genes for your undergraduate research project. A graduate student in the lab tells you that gene a is 5.0 centimorgans from gene b, and that gene c is 2.7 centimorgans from gene b. What should you do to finish mapping these three genes? What are the likely results that may occur, and how would you interpret such results?

What will be an ideal response?

Biology & Microbiology

Gene regulation in eukaryotes is _______ complex than in prokaryotes

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology