Ask unlimited questions for free
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
For a complete list of videos, visit our video library