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Questions and Answers
Which characteristic of intracellular communication refers to the binding strength of different receptor types for the ligand?
Which characteristic of intracellular communication refers to the binding strength of different receptor types for the ligand?
- Specificity
- Saturation
- Competition
- Affinity (correct)
What is the process through which a stimulus is converted into a response within a cell called?
What is the process through which a stimulus is converted into a response within a cell called?
- Affinity
- Saturation
- Signal transduction (correct)
- Specificity
Which enzymes phosphorylate other proteins, leading to changes in their activity or conformation?
Which enzymes phosphorylate other proteins, leading to changes in their activity or conformation?
- Protein phosphatases
- Receptors
- Ligands
- Protein kinases (correct)
Which molecule acts as a first messenger in cellular communication?
Which molecule acts as a first messenger in cellular communication?
What type of proteins can be affected by signaling through GTP?
What type of proteins can be affected by signaling through GTP?
Which hormone is NOT mentioned as an example of a first messenger?
Which hormone is NOT mentioned as an example of a first messenger?
Which of the following is an example of a second messenger in intracellular signaling?
Which of the following is an example of a second messenger in intracellular signaling?
Which subunit of a G protein can bind either GDP or GTP?
Which subunit of a G protein can bind either GDP or GTP?
Which type of G protein is inhibitory in nature?
Which type of G protein is inhibitory in nature?
Which molecule is produced when adenylate cyclase is activated by the Gs protein?
Which molecule is produced when adenylate cyclase is activated by the Gs protein?
Which protein kinase is activated by cAMP in intracellular signaling?
Which protein kinase is activated by cAMP in intracellular signaling?
Which signaling pathway involves the generation of inositol triphosphate (IP3) and DAG?
Which signaling pathway involves the generation of inositol triphosphate (IP3) and DAG?
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