Helicobacter pylori has been implicated as the causal agent of:

a. diarrhea.
b. constipation.
c. peptic ulcers.
d. cardiovascular disease.
e. kwashiorkor


C

Biology & Microbiology

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A founder effect occurs when

A) geographic barriers separate populations. B) some individuals leave a larger group. C) individuals in a population have few children. D) mutations introduce new alleles into a population.

Biology & Microbiology

In a random screening of athletes at a recent event, a runner was disqualified for testing positive for an injected form of erythropoietin. Which of the following is a consequence of extra erythropoietin in the circulatory system?

A) More red blood cells B) A low white blood cell count C) "Thin" blood that does not clot efficiently D) Low blood pressure

Biology & Microbiology

Atherosclerosis

A) is caused by a diet high in salt. B) causes a loss of plaque from the walls of the arteries. C) reduces blood flow in arteries. D) is a condition of the veins. E) is another name for high blood pressure.

Biology & Microbiology

Briefly explain why animals that live in very dry climates have the longest nephron loops

What will be an ideal response?

Biology & Microbiology