Podcast
Questions and Answers
What is the term for the process by which the number of target cell receptors increases due to a deficient extracellular messenger?
What is the term for the process by which the number of target cell receptors increases due to a deficient extracellular messenger?
- Protein ubiquitylation
- Signal transduction
- GTP binding
- Receptor up-regulation (correct)
What is the role of relay proteins in signal transduction?
What is the role of relay proteins in signal transduction?
- To bind with the effector protein
- To degrade proteins
- To increase the concentration of second messengers
- To convey the signal between receptor and effector protein (correct)
Which of the following is NOT a conserved component of intracellular signal transduction pathways?
Which of the following is NOT a conserved component of intracellular signal transduction pathways?
- Protein phosphatase
- Protein kinases
- Protein carboxylation (correct)
- GTP binding proteins
What is the term for the process by which proteins are marked for degradation?
What is the term for the process by which proteins are marked for degradation?
Which second messenger has a long half-life?
Which second messenger has a long half-life?
What is the role of GTP binding proteins in signal transduction?
What is the role of GTP binding proteins in signal transduction?
Which type of proteins are involved in signal transduction and cellular regulation?
Which type of proteins are involved in signal transduction and cellular regulation?
Which enzyme class promotes the inactive form of G-proteins?
Which enzyme class promotes the inactive form of G-proteins?
What is the role of protein kinases in signal transduction?
What is the role of protein kinases in signal transduction?
Which of the following is an example of a second messenger?
Which of the following is an example of a second messenger?
Which process involves marking proteins for degradation?
Which process involves marking proteins for degradation?
Which type of receptor is indirectly linked to GTP binding proteins?
Which type of receptor is indirectly linked to GTP binding proteins?
What is the most important post-translational modification of proteins?
What is the most important post-translational modification of proteins?
Which type of kinases mediate the transfer of a phosphate from ATP to a substrate?
Which type of kinases mediate the transfer of a phosphate from ATP to a substrate?
What is the primary role of protein phosphatases?
What is the primary role of protein phosphatases?
Which class of proteins is associated with G protein-coupled receptors?
Which class of proteins is associated with G protein-coupled receptors?
What is the effect of protein phosphorylation on enzymatic activity?
What is the effect of protein phosphorylation on enzymatic activity?
Which cellular process involves protein ubiquitylation and degradation?
Which cellular process involves protein ubiquitylation and degradation?
