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lisabon 2012 [21]
3 years ago
11

The hormone epinephrine binds to ß adrenergic receptors on smooth muscle cells of the bronchioles, causing them to dilate (incre

ase in diameter). Thyroid hormone is essential for the synthesis of ß adrenergic receptors; therefore, in the absence of thyroid hormone, epinephrine cannot trigger bronchodilation. This concept if known as __________.
Biology
2 answers:
Pavlova-9 [17]3 years ago
8 0

Answer:

ee rr

Explanation:

ANTONII [103]3 years ago
5 0

Answer:

The correct answer is "permissiveness".

Explanation:

The missing options of the question are:

permissiveness

synergistic effect

antagonism

additive effect

The correct answer is "permissiveness",

In biology, a permissive effect is defined as the effect that one hormone has enabling that a second hormone to exert its biological activity. Thyroid hormone has a permissive effect on the hormone epinephrine, by synthesizing ß adrenergic receptors, it enables the hormone epinephrine binds to them and cause the cells of the bronchioles to dilate.

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