Usually, a Mutation in the Promoter Region of an Operon

question 38

Short Answer

Usually, a mutation in the promoter region of an operon causes reduced levels of synthesis of the proteins encoded by that operon. Occasionally, a mutation in the promoter region actually causes increased levels of synthesis. Can you suggest a plausible explanation?

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Definitions:

Antagonist

A substance that blocks or dampens a biological response by binding to and blocking a receptor rather than activating it.

Neurotransmitter

Compounds responsible for transmitting signals between neurons through synapses within the nervous system.

Agonist

An agonist is a chemical or drug that binds to receptors in the brain and activates them, mimicking the effects of naturally occurring substances and potentially influencing physiological and psychological processes.

Autonomic Neuron

A nerve cell that governs function in the autonomic nervous system, responsible for involuntary body functions like heart rate and digestion.