Repressible system - tryptophan (the effector molecule) interacts with the repressor protein such that it can bind to the operator.
<span>Answer = C,
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They are holozoic or parasitic!
It’s definitely B. “Two tectonic plates meet at a divergent boundary”
Answer:
Heart failure — sometimes known as congestive heart failure — occurs when the heart muscle doesn't pump blood as well as it should. When this happens, blood often backs up and fluid can build up in the lungs, causing shortness of breath.
Explanation:
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