Signal Transduction

question 64

Multiple Choice

Signal transduction

• A)is the relay of information about conditions outside a cell to inside the cell.
• B)often relies on a two component system.
• C)may involve phosphorylation of various molecules.
• D)is used by certain pathogens to sense low magnesium conditions.
• E)All of the choices are correct.

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Definitions:

Antibodies

Antibodies are protein molecules produced by the immune system in response to foreign substances, helping to fight off infections.

Periodontitis

A serious gum infection that damages the soft tissue and destroys the bone that supports teeth, possibly leading to tooth loss.

Atherosclerosis

Cardiovascular disorder in which lipid-rich plaques form on the interior walls of blood vessels and narrow the vessels.

T Cell Receptors

Proteins found on the surface of T cells that allow these cells to recognize and bind to specific foreign antigens.