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cAMP is the second messenger in the pathway.
cAMP or Cyclic AMP is a secondary messenger because it transmits signals from a receptor to a target cell. When the level increases rapidly, it starts following receptor-mediated activation of AC (adenylyl cyclase), and that catalyzes the conversion of AMP (adenosine monophosphate) to cAMP.
The cAMP pathway is also known as the adenylyl cyclase pathway, which is a G protein-coupled receptor that is used in the cell signaling process. It works by activating protein kinase A. Therefore, cAMP is considered a secondary messenger which also regulates various cellular functions like cell growth, cell differentiation, etc.
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What statement do you mean I don’t see a picture or anything
Complete question: A hydrophilic peptide hormone is produced in the anterior pituitary gland located at the base of the brain. The hormone targets specific cells in many parts of the body.
Which of the following best explains a possible mechanism that would enable the hormone to efficiently reach all of the target cells in the body? answer choices
A. The hormone interacts with the nerves at the base of the brain and directs signals to the target cells through the nervous system.
B. The hormone diffuses into target cells adjacent to the anterior pituitary gland, where the hormone is degraded.
C. The hormone is released into the bloodstream where it can be transported to all cells with the correct receptors.
D. The hormone moves through cytoplasmic connections between cells until it has reached all cells with the correct intracellular binding sites.
Answer: (C) The hormone is released into the bloodstream where it can be transported to all cells with the correct receptors.
Explanation: Hydrophilic peptide hormone is secreted in the anterior pituitary gland, which is in a form of chemical signals or ions. These signals are secreted into the bloodstream (duct) and are passed through the blood to get to a target organ, which possess cells signalling the appropriate receptor that binds to the chemical messenger (ligand), then signal transduction is established.