Word Count : 268

---

The genetic control of enzyme activity is primarily regulated at the level of gene expression, allowing cells to produce enzymes only when needed. One classic example explaining this regulation is the operon model, proposed by Jacob and Monod in 1961. The operon model describes how a cluster of genes coding for enzymes involved in a particular metabolic pathway is controlled by regulatory sequences and proteins. An operon __________ _________ ______ ______ _________ _______ ________.
______ ________ ________ __________ ___ ________ ______ ___ ____.
__________ __________ __________ ______ _________ _________ _________ __________ _________ ___.
________ ____ ______ ____ __________ ___ _________.
__________ ____ ______ _________ _______ ______.
_______ _____ _________ ________ _________ ______.
____ ___ _______ ____ ____.
_______ _______ ______ ______ ____ _______ ______ __________ _______ ____ ____.
__________ _______ ________ ______ ___ ________ ________ _____ _____ ______.
________ ___ _______ ____ _______ ____ _________ ________.
___ _____ _____ _______ _______ ______ _______ _______ ______ _____ _______.
_________ ____ ___ _____ ___ ________ ______ _________ ______ _____ ___ ______.
______ _____ ________ ______ __________ _______ _______.
___ _______ _____ ____ _________ ____ _____ _________.
_______ ____ ________ _________ _____ ___ _____ __________ _________ ____ __________.
______ _______ _________ _________ ___ _________ _________ _________.
____ ________ _________ ___ _______ ________ __________ ___.
____ ________ _______ ________ _______ _________ _____.
________ ______ _____ ______ __________ _____ ________ ____.
_________ _______ _______ _________ ____ ________ ____ _______ ________.
_______ _______ _________ ___ ________.
___ ________ _____ ____ _________ _____ ______.
_________ ______ ___ __________ _________ ____ ______ _________ _______ _____ _________.
______ ____ ________ _______ __________ ____ ______ _____ _________.
__________.
Get Full Answer on WhatsApp