Thyroid hormone is essential for the synthesis of β adrenergic receptors; therefore, in the absence of thyroid hormone, epinephrine cannot trigger bronchodilation. This concept is known as .

Permissiveness

Explanation:

In endocrinology, tolerance is a biochemical wonder wherein the nearness of one hormone is required all together for another hormone to apply its full consequences for an objective cell. Hormones can communicate in lenient, synergistic, or hostile ways. glycoproteins,steroids, polypeptides and amines are the chemical classes of hormone.Permissive hormones are precursor to active hormones and are called as prohormones or prehormones.

The answer is d. disruptive