Helicobacter pylori causes

A) All of these choices are correct
B) Gastritis
C) Duodenal ulcers
D) Increased risk for cancer
E) Stomach ulcers


A) All of these choices are correct

Biology & Microbiology

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Is the group "invertebrates" a valid monophyletic group?

A. Yes, because it includes all organisms without backbones B. No, because most animals are vertebrates C. Yes, because only vertebrates are deuterostomes D. No, because the common ancestor to all the invertebrates is also an ancestor of the vertebrates

Biology & Microbiology

The site of integration for sensory and motor information in humans is the

A. cerebellum. B. thalamus. C. basal nuclei. D. hippocampus. E. cerebral cortex.

Biology & Microbiology

Which are limitations of preimplantation embryo diagnosis? (Select all that apply.)

A) The technique is technologically complex and expensive. B) Only certain well-defined genetic diseases can be tested. C) The test increases the rate of twin births. D) Removal of one cell from an eight-cell embryo results in permanent damage to the embryo.

Biology & Microbiology

After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore

____________________ Indicate whether the statement is true or false.

Biology & Microbiology