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Igoryamba
3 years ago
7

Describe characteristics that determine the fitness of the American Bullfrog.

Biology
1 answer:
Alexus [3.1K]3 years ago
5 0
It is poisonous on it's back and is a big species of frogs but not any bigger than a curled up dog.
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In the The repressible operons, The transcription is usually on and repressor is in inactive form, So the specific genes are transcribed. While a regulatory molecule act as corepressor and binds to repressor protein to activate it. The repressor protein cause the inactivation of repressible operon (as the name indicate). E.g., Tryptophan Repress the trp operon.

A high level of product act as regulatory molecule (Corepressor) and turn off the operon, So anabolic pathways or synthesis of essential components are controlled by repressible operon.

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As a metabolite induces the operon, So they control the Metabolic pathways or breakdown of a neutrient.

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