The digestive enzymes can only recognize the structure of the substrate but can not recognize whether it is inside cell or from outside. So if there is no membrane, the enzyme will digest the structure of its own.
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Explanation:
Terms in this set (15) Where in the neuron is an action potential initially generated? Axon hillock. this region (first part of the axon) receives local signals (graded potentials) from the soma and dendrites and has a high concentration of voltage-gated Na+ channels.
Phylum chordata differs from other animal phyla because it contains a notochord , dorsal, hollow nerve cord, and a pharyngeal.