Which of the following is not a consequence of a signal...

Name: Problem 3, Chapter 7: Life: The Science of Biology
Uploaded: 2021-03-31T17:32:08-08:00
Duration: 1 min 34 s
Channel: Christina Sorrentino
Description: Which of the following is not a consequence of a signal binding to a receptor? a. Activation of receptor enzyme activity b. Diffusion of the receptor in the plasma membrane c. Change in conformation of the receptor protein d. Breakdown of the receptor to amino acids e. Release of the signal from the receptor

Which of the following is not a consequence of a signal binding to a receptor? a. Activation of receptor enzyme activity b. Diffusion of the receptor in the plasma membrane c. Change in conformation of the receptor protein d. Breakdown of the receptor to amino acids e. Release of the signal from the receptor

Which of the following is not a consequence of a signal binding to a receptor?
a. Activation of receptor enzyme activity
b. Diffusion of the receptor in the plasma membrane
c. Change in conformation of the receptor protein
d. Breakdown of the receptor to amino acids
e. Release of the signal from the receptor

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Key Concepts

Signal Transduction

This is the process by which a cell converts an extracellular signal into a functional response. Binding of a ligand (signal) to its receptor typically triggers a series of intracellular signaling events, culminating in specific cellular responses.

Receptor Activation

Upon ligand binding, receptors generally undergo a change in conformation, which facilitates the activation of intrinsic enzymatic activities or the recruitment of downstream signaling molecules. This change is crucial for transmitting the signal from the cell exterior to the interior.

Receptor Mobility

Many receptors are not statically fixed within the plasma membrane; instead, they are capable of lateral diffusion. This mobility allows them to interact with various signaling partners and organize into complexes necessary for effective signal transduction.

Protein Degradation

Receptor degradation is a regulated process often involving internalization and breakdown of the receptor protein, but it is not an immediate consequence of ligand binding. Instead, it serves to modulate receptor levels and signaling duration over time by eventually breaking down the receptor into amino acids.

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