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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
![Deciduous and permanent teeth. (A) The deciduous teeth, with the age of eruption given in months; (B](https://biology-forums.com/gallery/47/medium_14755_30_09_12_4_39_18_91421720.jpeg)
![A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,](https://biology-forums.com/gallery/44/medium_671907_23_01_22_7_36_25.gif)