What do you know about receptor tyrosine kinases? What other information is related to the question?
What will be an ideal response?
Receptor tyrosine kinases have a relatively simple structure consisting of a single transmembrane
domain, an extracellular ligand-binding domain, and an intracellular kinase domain. This kinase domain
contains the catalytic site of the receptor, which acts as a protein kinase that adds phosphate groups to
tyrosines. On ligand binding to a specific receptor, two of these receptor–ligand dimerize and
phosphorylate each other,.
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Legionellosis, caused by the bacterial respiratory pathogen Legionella pneumophila, has decreased in recent years due to advances in wastewater treatment procedures
Indicate whether the statement is true or false.
Which of the following bacteria are found
inside the roots of legumes?
a. thermophilic bacteria b. cyanobacteria c. nitrogen-fixing bacteria d. methane-producing bacteria e. halophilic bacteria
Homophilic interactions between cells involve interactions
a. among adhesion molecules of the same molecular class. b. among adhesion molecules of different molecular classes. c. between integrins and ICAMs. d. between cadherins and -catenin.
Which of the following statements concerning osmosis is FALSE?
A) Osmosis requires a selectively permeable membrane. B) During osmosis, water crosses to the side of the membrane with a lower solute concentration. C) Cells placed in hypotonic solutions will gain water. D) Crenation results when blood cells are placed in a hypertonic solution. E) Osmosis stops when the system reaches equilibrium.