12 Questions
Which of the following is NOT a type of cellular response?
Cell migration
Which of the following molecules typically binds to receptors on cell membranes?
All of the above
What is the primary function of kinases in cellular communication?
Phosphorylate and activate other proteins
Which of the following statements about amplification in cellular communication is correct?
It is an exponential process where activated molecules trigger the activation of many more molecules.
What is the role of phosphorylases in cellular communication?
Deactivate enzymes by removing phosphate groups
Which of the following statements about cascade reactions in cellular communication is correct?
They involve different molecules activating each other in a series of reactions.
What are the three measurable responses that were initially researched when looking at cell response?
Calcium increase, CAMP changes, IP3 changes
Which type of signaling involves a cell locally secreting a molecule that binds to a nearby receptor?
Paracrine signalling
What is true about long distance signaling in terms of hormone types?
Hormonal signaling involves both Protein hormones and Lipid hormones
Which stage of cell signaling involves the binding of a molecule to the receptor protein?
Reception
Which type of membrane receptor is associated with G protein and activates adenylyl cyclase?
GPCR-AC
What are the second messengers that spread throughout the cell through diffusion?
$cAMP$ molecules
Test your knowledge on how cells communicate with each other and the types of responses they yield, including muscle contractions, growth, cell division, secretion, absorption, reproduction, and apoptosis. Learn about receptor molecules and how they facilitate cell communication.
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