You have a signaling pathway as follows: a hydrophilic signal molecule binds to its receptor, activates a G protein through direct binding, which then activates a kinase through direct binding. The kinase phosphorylates protein A, which translocates to the nucleus to phosphorylate transcription factors. Which of the following list the steps that do NOT provide opportunities for signal amplification? Choose the most complete answer. Ligand binding to its receptor, receptor activation of the G protein, the kinase phosphorylating protein A, Protein A phosphorylating transcription factors O Ligand binding to receptor, receptor activation of the G protein O Ligand binding to receptor, receptor activation of the G protein, G protein activation of the kinase protein O Activation of the G protein, the kinase phosphorylating protein A, Protein A phosphorylating transcription factors Receptor activation of the G protein, G protein activation of the kinase protein, the kinase phosphorylating protein A

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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Answer question 38

You have a signaling pathway as follows: a hydrophilic signal molecule binds
to its receptor, activates a G protein through direct binding, which then
activates a kinase through direct binding. The kinase phosphorylates protein
A, which translocates to the nucleus to phosphorylate transcription factors.
Which of the following list the steps that do NOT provide opportunities for
signal amplification? Choose the most complete answer.
O Ligand binding to its receptor, receptor activation of the G protein, the kinase
phosphorylating protein A, Protein A phosphorylating transcription factors
Ligand binding to receptor, receptor activation of the G protein
Ligand binding to receptor, receptor activation of the G protein, G protein activation
of the kinase protein
Activation of the G protein, the kinase phosphorylating protein A, Protein A
phosphorylating transcription factors
Receptor activation of the G protein, G protein activation of the kinase protein, the
kinase phosphorylating protein A
Transcribed Image Text:You have a signaling pathway as follows: a hydrophilic signal molecule binds to its receptor, activates a G protein through direct binding, which then activates a kinase through direct binding. The kinase phosphorylates protein A, which translocates to the nucleus to phosphorylate transcription factors. Which of the following list the steps that do NOT provide opportunities for signal amplification? Choose the most complete answer. O Ligand binding to its receptor, receptor activation of the G protein, the kinase phosphorylating protein A, Protein A phosphorylating transcription factors Ligand binding to receptor, receptor activation of the G protein Ligand binding to receptor, receptor activation of the G protein, G protein activation of the kinase protein Activation of the G protein, the kinase phosphorylating protein A, Protein A phosphorylating transcription factors Receptor activation of the G protein, G protein activation of the kinase protein, the kinase phosphorylating protein A
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