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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o
Gram Postive & Gram Negative Bacteria Gram Postive & Gram Negative Bacteria
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
A lack of fuel flow could be due to a restricted fuel-pressure regulator. Notice the fine screen ... A lack of fuel flow could be due to a restricted fuel-pressure regulator. Notice the fine screen ...
Connect shop air to the canister and adjust the air pressure regulator to the desired setting. ... Connect shop air to the canister and adjust the air pressure regulator to the desired setting. ...
Negative Feedback and Temperature Control Negative Feedback and Temperature Control
Video: Red alga life cycle Animation

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