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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.
What is an action potential? When a stimulus of sufficient size is detected, it causes a temporary reversal of charges either side of the axon membrane. It also causes the channels in the axon memb...
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