CELL SIGNALING_QUIZ

Process of converting extracellular signals into intracellular responses​

• Signal transduction

• Cell Cycle

• Anabolism

• Catabolism

This type of signal can't float in extracellular space

• Hydrophilic

• Hydrophobic

• CoA-SH

• Transmembrane

This type of signal can diffuse over cell membranes

• Hydrophilic

• Hydrophobic

• CoA-SH

• Transmembrane

Cell signals nearby cells of same type, including itself

• Paracrine

• Endocrine

• Contact-dependent

• Autocrine​

Cell signals nearby cells of different type

• Paracrine

• Endocrine

• Contact-dependent

• Autocrine​

Cell signals distant cells

• Paracrine

• Endocrine

• Contact-dependent

• Autocrine​

The components of these intracellular signaling pathways perform one or more crucial functions

• relay

• amplify

• all of the above

• feedback

Change the permeability of the plasma membrane to selected ions​

• Ion-channel-coupled receptors

• RTKs

• Enzyme-coupled receptors

• G-protein-coupled receptors

Seven-pass transmembrane receptors​

• Ion-channel-coupled receptors

• RTKs

• Enzyme-coupled receptors

• G-protein-coupled receptors

This subunit of GPCR binds guanosine diphosphate (GDP) when inactive

• Alfa

• Beta

• Gamma