Of the system, P0 is one of the important components; it has twoactivities, MPO and DPO, and exists as proenzyme PPO in the insect.
其中，PO是PPO系统的关键成分之一，它是以酶原形
PPO
内，具有MPO和DPO两种酶活性。
Of the system, P0 is one of the important components; it has twoactivities, MPO and DPO, and exists as proenzyme PPO in the insect.
其中，PO是PPO系统的关键成分之一，它是以酶原形PPO内，具有MPO和DPO两种酶活性。
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