Asked by Ayana Walker on Jul 03, 2024
In certain cancerous cells, the cell divides continuously even in the absence of a growth factor (signaling molecule) that indicates the cell should divide. Which of the following could explain this?
A) a receptor molecule that is always turned on
B) a receptor molecule that is always turned off
C) a transduction pathway that is always turned off
D) a target protein that is always deactivated
E) a gene for cell division that is not expressed when it should be
Receptor Molecule
A protein on the surface or inside a cell that binds to specific molecules like hormones or neurotransmitters, triggering a response inside the cell.
Transduction Pathway
A series of molecular actions within a cell that converts a signal from outside the cell to a functional change within the cell.
Growth Factor
A naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.
- Describe the physiological impact of membrane dynamics on health and disease, such as cancerous cell behavior and blood type compatibility.
Learning Objectives
- Describe the physiological impact of membrane dynamics on health and disease, such as cancerous cell behavior and blood type compatibility.
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