safe in Biological Definition

Apoptosis

... the apoptotic process is executed facilitates the safe disposal of cell corpses and fragments. Since ... 2.1 Morphology 2.2 Biochemical signals for safe disposal 2.3 Intrinsic and extrinsic inducers ... then phagocytosed. Biochemical signals for safe disposal The dying cells that have just been ...

Antibiotic

... own toxicity and unstable character prevented its use as an effective, safe antibiotic within the human body. The first effective antibiotic ... discovered that the susceptibility of bacteria to many compounds which are safe to humans is based upon significant differences between the cellular and ...

Cancer

... well in the lab or in animals do not always work well in people. Studies are done with cancer patients to find out whether promising treatments are safe and effective. The patients who take part may be helped personally by the treatment(s) they receive. They get up-to-date care from cancer experts, ...

Gene

... as Griffith's experiment , injections into a mouse of a deadly strain of a bacteria that had been heat-killed transferred genetic information to a safe strain of the same bacteria, killing the mouse. In 1941 , George Wells Beadle and Edward Lawrie Tatum showed that mutations in genes caused ...

Species

... that the two populations occupy such similar ecological roles that they cannot coexist in the same area. Because they do not crossbreed, it is safe to assume that there is a mechanism, often behavioral, that is preventing gene flow between the populations, and therefore that they should be ...

Symbiosis

... to open the jaws to allow the bird enter the mouth safely to hunt. For the bird's part, this relationship not only is a ready source of food, but a safe one considering that few predator species would dare strike at the bird at such close proximity to its host. The biologist Lynn Margulis , famous ...