Which type of signaling allows the ligand to enter the cell?

A. Metatropic receptor signaling
B. Ionotropic receptor signaling
C. Nuclear receptor signaling


Ans: C. Nuclear receptor signaling

Anatomy & Physiology

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In animals, the first line of defense against pathogens is the ______________

Fill in the blank with the correct word.

Anatomy & Physiology

Beta-endorphin is produced from the same prohormone as

A) glucagon. B) adrenocorticotropin (ACTH). C) insulin. D) aldosterone. E) thyroxine.

Anatomy & Physiology

The myelin sheaths of PNS neurons are produced by ________.

A. oligodendrocytes B. Schwann cells C. ependymal cells D. leukocytes

Anatomy & Physiology

This figure shows an anterior view of the right orbit. What feature does number 4 indicate?

A. Common tendinous ring B. Central tendinous ring C. Optic canal D. Optic nerve E. Trochlea

Anatomy & Physiology