Helicobacter pylori (H. pylori) is a helically-shaped bacterium that is usually found in the stomach. It burrows through the gastric mucous lining to establish an infection in the stomach's epithelial cells (see photo). Approximately 90% of the people infected with H. pylori will never experience symptoms. Others may develop peptic ulcers and show symptoms of chronic gastritis. The method of motility of H. pylori is a prokaryotic flagellum attached to the back of the bacterium that rigidly rotates like a propeller on a ship. The flagellum is composed of proteins and is approximately 40.0 nm in diameter and can reach rotation speeds as high as 1.50 x 103 rpm. If the speed of the bacterium is 10.0 µm/s, how far has it moved in the time it takes the flagellum to rotate through an angular displacement of 5.00 × 10² rad? H. PYLORI CROSSING MUCUS LAYER OF STOMACH Number Zina Deretsky, National Science Foundation/Flickr H.pylori Gastric Epithelial mucin cells gel Units ✪ H.pylori raises pH, mucin de-gels

Helicobacter pylori (H. pylori) is a helically-shaped bacterium that is usually found in the stomach. It burrows through the gastric mucous lining to establish an infection in the stomach's epithelial cells (see photo). Approximately 90% of the people infected with H. pylori will never experience symptoms. Others may develop peptic ulcers and show symptoms of chronic gastritis. The method of motility of H. pylori is a prokaryotic flagellum attached to the back of the bacterium that rigidly rotates like a propeller on a ship. The flagellum is composed of proteins and is approximately 40.0 nm in diameter and can reach rotation speeds as high as 1.50 x 103 rpm. If the speed of the bacterium is 10.0 µm/s, how far has it moved in the time it takes the flagellum to rotate through an angular displacement of 5.00 × 10² rad? H. PYLORI CROSSING MUCUS LAYER OF STOMACH Number Zina Deretsky, National Science Foundation/Flickr H.pylori Gastric Epithelial mucin cells gel Units ✪ H.pylori raises pH, mucin de-gels

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

**Helicobacter pylori (H. pylori)** is a helically-shaped bacterium that is usually found in the stomach. It burrows through the gastric mucous lining to establish an infection in the stomach’s epithelial cells. Approximately 90% of the people infected with H. pylori will never experience symptoms. Others may develop peptic ulcers and show symptoms of chronic gastritis. The method of motility of H. pylori is a prokaryotic flagellum attached to the back of the bacterium that rigidly rotates like a propeller on a ship. The flagellum is composed of proteins and is approximately 40.0 nm in diameter and can reach rotation speeds as high as 1.50 × 10³ rpm. If the speed of the bacterium is 10.0 µm/s, how far has it moved in the time it takes the flagellum to rotate through an angular displacement of 5.00 × 10² rad?

**Diagram Explanation:**

The diagram titled "H. Pylori Crossing Mucus Layer of Stomach" illustrates the process of H. pylori infection in the stomach.

- **H. pylori** (green bacterium) is shown approaching the **gastric mucin gel**, which protects the stomach lining.
- The bacterium then encounters **epithelial cells**, which are cells forming the outer lining of the stomach.
- Finally, it shows **H. pylori raising pH**, leading to the mucin gel de-gelling (shown in blue), which allows the bacterium to penetrate and establish infection in the epithelial cells.

**Question:**
Calculate the distance traveled by the bacterium given an angular displacement of the flagellum.

**Input Fields:**
- **Number**
- **Units** (for the calculated distance)

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