________, or cancerous, tumors grow rapidly and invade rather than push aside healthy cell tissue.

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Bacterial colonies, each derived from a single cell Bacterial colonies, each derived from a single c

Cell Weapon

The growth of GHG emissions is greatest in the rapidly growing economies of India and China

The population of a city has continued to grow since 1950.

Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...

Blood tissue

Author Question: ________, or cancerous, tumors grow rapidly and invade rather than push aside healthy cell tissue. (Read 40 times)

Related Topics

Need homework help now?