FreeMCATPrep Logo

Support us and cryptocurrency!
Try a browser that's faster, safer, ad-free, and earns you cryptocurrency for using it! W3Schools

More Than 475 Free MCAT Questions with Detailed Answers!

Click HERE for your Random Question from our MCAT Question A Day Archive

MCAT Question A Day - 1/17/14 - Answer!

Where on target cells would you expect to find receptor sites for the protein hormones insulin and glucagon?

A.  In the nucleus of the target cells
B.  On the outer membrane of the target cells
C.  In the Islets of Langerhans of the pancreas
D.  In the acinar cells of the pancreas

The correct answer is (B). Receptor sites for protein hormones are located on the outer membrane of target cells. Receptor sites in the nucleus (choice A) are for lipid hormones. The Islets of Langerhans (choice C) are where insulin and glucagon are made in the pancreas. Acinar cells (choice D) are where pancreatic digestive secretions are made.

Want more questions? - Click here to check out our MCAT Question A Day archive