العلوم الطبيعية

معلومات بسيطة قد تحتاجونها في حل الوضعيات .

الكنوز الدعوية

اخر تحديث :

ســــــــــــــــؤال :

في حــــالة نفاذ الجلوكوز المستعمل في انتاج الطاقة لدى الخلايا ، فمن أين تحصل على الطاقة بعد ذلك ؟

الـــــــجواب :

تستعمل الخلايا الدسم المخزنة في الخلايا الدهنية كمصدر ثان لانتاج الطاقة في حالة نفاذ مخزون السكريات.

ســـــــــــــؤال :

لماذا تقل السكريات ( سكر اللاكتوز ) في مشتقات الحليب ؟

الـــــــجواب :

أغلب مشتقات الحليب عبارة عن خمائر ، فهي بذلك تستعمل السكريات لانتاج الطاقة اللازمة لتكاثرها و القيام بنشاطها ، وهذا

ما يفسر انخفاض نسبة السكريات ( اللاكتوز ) في مشتقات الحليب .

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