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Bacterial DNA can spontaneously mutate, which means a change in the nucleotide reading frame. By chance, a mutation may cause the bacteria to prevent being killed by the antibiotic. For example, by develo...

The lock and key hypothesis explains how each enzyme acts specifically on a certain substrate. The lock is the enzyme. The key is the substrate. The lock has a site where a specific subst...

Speciation is the formation of a new species that cannot interbreed with other species to produce fertile offspring. It may occur due to geographical isolation, such as the formation of a river separating...

No need to use ESC.No rejection.Use to replace diseased cells by reprogramming and give rise to any cell type.