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A scientist notices that when she adds a small, watersoluble molecule to a dish of cells, the cells turn off transcription of a gene. She hypothesizes that the ligand she added binds to a(n) ______ receptor.

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luisvaschetto

She hypothesizes that the ligand she added binds to an enzyme-linked receptor. Enzymes catalyze reactions.

What are enzymes?

Enzymes are specific proteins that catalyze chemical reactions by lowering the activation energy of the reaction.

Enzymes can bind to specific substrates to phosphorylate them and thus activate a signaling pathway.

Enzymes are fundamental proteins that act during different metabolic processes in an organism.

Learn more about enzymes here:

https://brainly.com/question/1596855

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