n.前酶；酶原

Proenzymes are inactive precursors of enzymes found in living organisms.
活性酶的前体在生物体内存在。
Hydrolysis of the proenzyme pepsinogen releases the active enzyme pepsin in the stomach.
胃蛋白酶原经过水解，在胃中释放出活性胃蛋白酶。
The activation of trypsinogen into trypsin is an essential step in protein digestion.
胰蛋白酶原转化为胰蛋白酶是蛋白质消化过程中的关键步骤。
Proenzymes play a crucial role in maintaining enzyme levels within cells.
活性酶前体对于细胞内酶含量的维持至关重要。
Prozymes often require specific conditions, like low pH, for their conversion to functional enzymes.
活性酶前体通常需要特定条件（如低pH值）才能转化为功能酶。
Activation of procarboxypeptidase by an enterokinase results in the release of carboxypeptidase.
经过肠激酶激活，前羧肽酶转化为羧肽酶。
Proenzymes are synthesized and stored in the pancreas before being secreted into the small intestine.
活性酶前体在胰腺中合成并储存，然后被分泌到小肠。
Some proenzymes have a chymotrypsin-like structure, which facilitates their proteolytic activity.
一些活化酶前体具有类似糜蛋白酶的结构，有利于其蛋白酶活性。
The maturation process of prohormones into hormones often involves the conversion of proenzymes.
激素前体成熟为激素的过程常常涉及活性酶前体的转化。
The study of proenzymes helps researchers understand the mechanisms behind enzyme activation and regulation.
对活性酶前体的研究有助于科学家理解酶激活和调控的机理。