

MCQOPTIONS
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1. |
Cell type A secretes molecule X into the culture medium. Cell type B in the same culture responds to the molecule X by expressing protein Y. Which one of the following modes of signaling represents the interaction between A and B? |
A. | Autocrine |
B. | Juxtacrine |
C. | Paracrine |
D. | Intracrine |
Answer» D. Intracrine | |