The lac operon in E. coli regulates genes that code for enzymes required for breakdown of lactose. The lac operon is _ operon that is activated in the presence of _. Answers:
1. an inducible
2. lactose

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At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Why is it to call the calvin cycle the light independent reactions vs the dark reactions

Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere