The Primary Function of G Proteins in Signal Transduction Is

question 43

Multiple Choice

The primary function of G proteins in signal transduction is

• A)transmitting the signal from an activated receptor to the next protein in the pathway.
• B)binding extracellular signal molecules to activate the pathway.
• C)converting ATP to cATP to amplify the signal.
• D)phosphorylating relay molecules in the pathway.

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Definitions:

Fibroblasts

A type of cell that is responsible for making the extracellular matrix and collagen, playing a critical role in wound healing and tissue repair.

Dense Regular

Connective tissue characterized by tightly packed collagen fibers aligned in a parallel arrangement, providing strength in one direction.

Protein Fibers

Long, string-like structures composed of proteins that play various roles in the cell, including providing support, shape, and enabling movement.

Ground Substance

The amorphous, gel-like substance surrounding cellular components in connective tissue, providing support and mediating communication between cells.