Q. G-protein coupled receptors contain ________ transmembrane alpha helices.

View solution

Q. G-protein coupled receptors are referred to as seven-transmembrane receptors.

View solution

Q. The G-protein coupled receptors have their _____________________ outside the cell.

View solution

Q. On the cytoplasmic site of GCPRs, the G-proteins bind to ___________________

View solution

Q. Which of the following is a stimulus for rhodopsin?

View solution

Q. The inactive conformation of a G-protein coupled receptor is stabilized by ____________________

View solution

Q. The G-proteins bind only to _________________

View solution

Q. Desensitization is the process of blocking receptors from turning on ______________

View solution

Q. Arrestins compete with ________________ for binding with G-protein coupled receptors.

View solution

Q. Retinitis pigmentosa is an inherited disorder caused due to mutation in the gene that encodes for __________________

View solution

Q. Adenoma is caused by the over-secretion of ____________________

View solution

Q. A somatic mutation is present in all of the individual’s body cells.

View solution

Q. The Kaposi’s sarcoma is caused by ____________________

View solution

Q. The Cholera toxin produced by Vibrio cholera exerts its effect by _____________________

View solution

Q. Epinephrine causes an increase in ____________________

View solution

Q. The Protein-tyrosine kinases phosphorylate the ______________ residues.

View solution

Q. How many types of protein-tyrosine kinases are there?

View solution

Q. The cytoplasmic protein-tyrosine kinases are activated indirectly by the extracellular signals.

View solution

Q. Bringing 2 kinase domains in close contact allows for ___________________

View solution

Q. When the levels of glucose drop, alpha-cells in the pancreas secrete ____________________

View solution