A single hormone molecule can have dramatic effects on a target cell, because

Question

Quizplus · Accepted Answer

Hormones typically activate a signaling cascade within cells, which can amplify their effect. This can involve multiple steps of enzyme activation or gene expression, allowing a single hormone molecule to have a large impact on a target cell's behavior. Some hormones do act directly on the nucleus, but this is not the most common mechanism for their effects.

A Single Hormone Molecule Can Have Dramatic Effects on a Target