During Enzyme-Linked Reception, Signal Molecules Bind to Two Tyrosine Kinase

question 52

Multiple Choice

During enzyme-linked reception, signal molecules bind to two tyrosine kinase receptors. The receptor proteins move closer together in the plasma membrane and pair, forming a(n) ____.

• A) gate
• B) dimer
• C) pathway
• D) polypeptide chain
• E) protein kinase cascade

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Definitions:

Pelagic Zone

The open ocean zone, far from shore and above the ocean floor, inhabited by a variety of marine species.

Brittle Stars

Echinoderms characterized by their long, slender arms, which are distinct from the central disk.

Tube Worms

Marine invertebrates belonging to several different families, known for living in protective tubes they construct, which can be found in various ocean environments including hydrothermal vents.

Benthic Zone

The lowest ecological zone in a body of water, including the sediment surface and sub-surface layers.