Autocrine Signaling Occurs When a Cell Produces

question 23

Multiple Choice

Autocrine signaling occurs when a cell produces

• A)and releases a chemical messenger into the extracellular fluid that acts upon the cell that produced the messenger.
• B)a signal that acts upon nearby cells.
• C)chemical signals are released into the blood and carried throughout the body.
• D)a signal that acts with the cell that produced the signal.

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Definitions:

Tin

A chemical element with the symbol Sn and atomic number 50, known for its corrosion resistance and used in alloys and coatings.

Zinc

A metallic element with symbol Zn, necessary for human health and used in alloys such as brass, in galvanization, and in various chemical reactions.

Copper

A reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, used in a wide variety of applications.

Metals

Metals are elements that are good conductors of electric current and heat, have a shiny appearance, and are malleable and ductile.