All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources
Example Questions
Example Question #81 : Cell Biology
Which of the following hormones will elicit a response in cells by attaching to a membrane bound receptor?
Possible Answers:
Insulin
Testosterone
Estrogen
Cortisol
Correct answer:
Insulin
Explanation:
Before answering this question, consider what types of hormones would not attach to a membrane bound receptor. Steroid hormones can simply diffuse through the plasma membrane, so they do not need to attach to a receptor there. Cortisol, testosterone, and estrogen are all steroid hormones. This leaves insulin as the only acceptable answer. In fact, insulin attaches to a receptor tyrosine kinase on the outside of cells.
Nate
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University of Wisconsin-Oshkosh, non degree, Prepharmacy. University of Wisconsin-Madison, Pharmaceutical Chemist, Pharmacy.
Brittney
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Norfolk State University, Bachelor of Science, Chemistry. Mercer University, Doctor of Science, Pharmacy.
All GRE Subject Test: Biochemistry, Cell, and Molecular Biology Resources
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