Please help me with this question. More than one answer may be correct. G-proteins ______. Options: A) bind GTP or GDP B) are heterotrimers C) will dissociate into α and βγ subunits when activated D) will leave the cell and carry a signal to other cells E) are part of a second messenger system

Please help me with this question. More than one answer may be correct. G-proteins ______. Options: A) bind GTP or GDP B) are heterotrimers C) will dissociate into α and βγ subunits when activated D) will leave the cell and carry a signal to other cells E) are part of a second messenger system

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter4: Principles Of Neural And Hormonal Communication

Section: Chapter Questions

Problem 18RE

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Concept explainers

Cell Signaling

It allows cells to perform various cellular activities, coordinate, and interact with other cells. All cells of an organism receive signals from their environments and respond accordingly. Even the unicellular eukaryotes receive signals secreted by other cells and respond. In the case of yeast, mating takes place by signaling between the yeast cells. Communication by cell signaling in a multicellular organism has become a vast and important part of various fields of biology.

Question

Please help me with this question. More than one answer may be correct.

G-proteins ______.

Options:

bind GTP or GDP

are heterotrimers

will dissociate into α and βγ subunits when activated

will leave the cell and carry a signal to other cells

are part of a second messenger system

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