The Binding of a Single Molecule of Epinephrine to a Receptor

question 123

Short Answer

The binding of a single molecule of epinephrine to a receptor can result in the activation of 1,000 molecules of glycogen phosphorylase. This result of the signaling transduction cascade is an example of the phenomenon known as _______.

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Definitions:

Petals

Colored or patterned parts of a flower, involved in attracting pollinators and protecting reproductive structures.

Double Fertilization

A process in the flowering plant life cycle in which there are two fertilizations; one fertilization results in formation of a zygote, whereas the second results in formation of endosperm.

Sperm

Male reproductive cells designed to fertilize female ova (eggs) during sexual reproduction.

Reproductive Structures

Organs or features of organisms that are involved in the production of offspring.