Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Cell Communication and Cell Signaling Cellular communication
Laminin is a key component of the basal lamina, a specialized type of extracellular matrix. It is crucial for cell differentiation, migration, and adhesion. Which one of the following characteristics is NOT TRUE for laminin?
1
Laminin is a heterotrimeric glycoprotein composed of α, β, and γ chains.
2
Laminin interacts with cell surface receptors such as integrins and dystroglycan.
3
The laminin molecule is arranged in a cross-like structure with one long arm and three short arms.
4
Laminin is composed of four identical polypeptide chains that form a symmetrical structure.