Cell Communication And Signalling MCQs Part 1 10:51:00 AM Posted by AEI Online Tutor No Comments Cell Communication And Signalling MCQs Part 1 1. Which of the following is the correct order of events in signal transduction? Receptor -> Chemical Signal -> Target Proteins -> Intracellular Proteins ->Cell Response Chemical Signal -> Target Proteins-> Receptor -> Intracellular Proteins ->Cell Response Chemical Signal -> Receptor -> Intracellular Proteins -> Target Proteins -> Cell Response Chemical Signal -> Receptor -> Target Proteins -> Intracellular Proteins -> Cell Response 2. Which of the following types of chemical signals is secreted in the blood and travels long distances to its target. Neurotransmitters Cytokines Hormones Target Proteins 3. Which of the following is a characteristic of a receptor? Speed Specificity Saturation All except a 4. This type of extracellular receptor causes a transporter to open or close to allow particles through once a chemical signal binds. G couple Protein JAK Kinase Tyrosine Kinase Ligand Gated Ion Channel 5. An intracellular portion of this receptor phosphorylates intracellular Proteins. G coupled Protein Receptor Tyrosine Kinase Ligand Gated Ion Channel All of the following 6. Once Adenylyl cyclase is activated it Opens Ca2+ doors on the Sarcoplasmic Reticulum Makes cAMP Phosphorylates intracellular proteins Causes a change in membrane potential 7. IP3 does which of the following? Opens Ca2+ doors on the Sarcoplasmic Reticulum Activates target proteins Both a and b None of the above 8. An insulin receptor is an example a _____________ receptor. Tyrosine Kinase G couple Protein Ligand Gated Ion Channel JAK Kinase 9. Most cytokine receptors are an example a _____________ receptor. Tyrosine Kinase G couple Protein Ligand Gated Ion Channel JAK Kinase 10. Beta adrenergic receptors on cardiac contractile cells are an example a _____________ receptor. Tyrosine Kinase G couple Protein Ligand Gated Ion Channel JAK Kinase Score = Correct answers: Cell Communication And Signalling MCQs Parts => 1.. Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote AEI Online Tutor Article LabelCell Communication And Signalling MCQs Part 1
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