A study is conducted to assess the molecular mechanisms of hormone X. A radioactively labeled form of this hormone is incubated with human cells in tissue culture for 30 minutes, and then incubated briefly with a cross-linking agent. The plasma membrane, cytosolic, and nuclear fractions are isolated from the cell lysate, and the subcellular proteins are separated from these fractions by gel electrophoresis. The only protein bound to the labeled hormone is identified in the new clear fraction. Hormone X is most likely which of the following?EpinephrineGlucagonGrowth hormoneInsulinThyroxine

Hormones are the chemical compounds which are secreted from the respective endocrine glands. These…

Answered: The only protein bound to the labeled…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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A study is conducted to assess the molecular mechanisms of hormone X. A radioactively labeled form of this hormone is incubated with human cells in tissue culture for 30 minutes, and then incubated briefly with a cross-linking agent. The plasma membrane, cytosolic, and nuclear fractions are isolated from the cell lysate, and the subcellular proteins are separated from these fractions by gel electrophoresis. The only protein bound to the labeled hormone is identified in the new clear fraction. Hormone X is most likely which of the following?
1. Epinephrine
2. Glucagon
3. Growth hormone
4. Insulin
5. Thyroxine

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