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Which of the following terms regarding roles of chemical messengers is mismatched?

A) Mastering microbiology
B) Autocrine signaling
C) Paracrine signaling
D) Endocrine signaling

User Arsim
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1 Answer

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Final answer:

The mismatched term in the list given is 'Mastering microbiology,' as it does not refer to a type of chemical signaling like the other options provided.

Step-by-step explanation:

The term that is mismatched in the context of chemical messengers and their roles is "A) Mastering microbiology." This does not describe a type of chemical signaling, whereas the other options do. To clarify:

  • Autocrine signaling: A form of cell signaling where a cell secretes a hormone or chemical messenger (called autocrine agents) that bind to autocrine receptors on the same cell, leading to changes in the cell.
  • Paracrine signaling: Involves the release of chemical messengers that affect nearby cells. These messengers do not enter the circulation significantly but work locally by diffusing through the extracellular matrix.
  • Endocrine signaling: Characterized by the release of hormones into the bloodstream, where they travel to distant target cells.
  • Direct signaling across gap junctions: Involves the direct transfer of signaling molecules between adjacent cells through junctional channels.

Each of these types of signaling plays a distinct role in how cells communicate within the body. "Mastering microbiology" is not related to a specific type of signaling and hence does not fit with the rest of the list.

User Racky
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