وفر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.

اشترك الآن

تمت عملية الاشتراك بنجاح

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عذراً، عذرا،أنت مشترك مسبقاً بالنشرة البريدية

إغلاق

عذراً، هناك مشكلة في البريد الالكتروني

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content_cookies: int(0)
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get_post_type: string(7) "concept"

الطب

عامل مساعد (محفز) |  Catalyst

26 أبريل 2020


هي تلك المواد التي تحفز تفاعل كيميائي ما كي يبدا بأقل طاقة ممكنة لذلك ، تعتبر الانزيمات محفزات طبيعية في الجسم و تزيد معدل حدوث التفاعلات الكيميائية الحيوية في الخلايا الحية.