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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...
If the concentration of glucose in the blood is too high, this is detected by beta cells in the pancreatic islets, which release the hormone insulin. Insulin has several ...
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