Create: 2024-12-20 Update: 2025-07-05 14:56:00

مولکولهای سازنده حیات، مثال: پروتئین

ویژگی بسیار مهم مربوط به پروتئینها این است که آمینو اسیدهای تشکیل دهنده آنها باید دقیقاً در مکان های مناسبی در زنجیره قرار گیرند. زیرا پروتئین ها صرفاً با مخلوط کردن اسیدهای آمینه مناسب به نسبت صحیح ساخته نمی شوند، و اصلا اینجا وضعیت مشابه این نیست که اگر یک اسید را با باز مخلوط کنیم قطعاً نمک و آب تولید شود.

پروتئین ها ساختارهای بسیار تخصصی و پیچیده ای از زنجیره های بلند مولکول های اسید آمینه در یک نظم خطی خاص هستند. آمینو اسیدها را می توان به عنوان بیست "حرف" یک "الفبای" شیمیایی در نظر گرفت. و پروتئین یک "کلمه" فوق العاده طولانی در آن الفبا است. در این کلمه هر "حرف" آمینو اسید باید در جای مناسب باشد. به این معنا که ترتیب چیدمان آمینو اسیدها در زنجیره امری حیاتی است، و فقط وجود آنها مهم نیست- درست شبیه اینکه حروف در یک کلمه یا در یک برنامه کامپیوتری باید به ترتیب درستی باشند. تا کلمه به معنای صحیحی باشد یا برنامه کامپیوتری به درستی کار کند. یک حرف در جای اشتباه، و کلمه می تواند تبدیل به یک کلمه دیگر یا یک کلمه بی معنا شود. یک حرف نادرست در یک برنامه کامپیوتری باعث می‌شود که احتمالاً آن برنامه کار نکند.

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مولکولهای سازنده حیات، مثال: پروتئین

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