This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are 
Select and explain. 
A. integrin α6-β4, B. the catenins desmoplakin, C. cadherins desmoglein, D. α and β catenin
A: integrin α6-β4
Answer: A: integrin α6-β4 
Explanation: None