Answer:
The correct answer is - option D. adrenergic receptor.
Explanation:
Adrenergic receptors are present on or in the effector cells that are specific molecular structures. The adrenergic receptors are glycoproteins that are present on the cell surface that binds and recognize with the various hormones or drugs such as norepinephrine or epinephrine and others.
These are the receptors that are sympathetic tissue receptors that get drugs or hormones released from the sympathetic nerve endings and the adrenal glands.
Thus, the correct answer is - option D. adrenergic receptors.
Answer:
Nucleus
Explanation:
Nucleus contains chromosomes which are DNA.
Plant Cells need mitochondrion to break down the glucose or cell respiration.
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Generalized anxiety tends to initially arise during the mid-teens through the mid-20s.
<span>Anxiety disorders are the most common mental illness in the U.S., affecting 40 million adults in the United States age 18 and older. </span>Generalized anxiety disorder tends to occur with other anxiety disorders and with depression. Because the comorbidity is so high, researchers believe that many of the factors involved in predicting anxiety disorders, in general, are particularly important for understanding Generalized anxiety disorder.
Explanation:
In self-pollinating plants, there is less dependence on the external factors to cause pollination. These plants depend on wind or other smaller insects that visit the flower regularly. In self- pollinating flowers, the anthers, and stigma are of similar lengths to facilitate the transfer of pollen.