Why does simultaneous binding not occur?
What will be an ideal response?
This does not occur because IgE has two distinct binding sites for Fc?RI and Fc?RII, and when one or the other of these binding sites is occupied, the conformation of IgE is altered so that it is unable to bind to the other receptor.
You might also like to view...
A 19-year-old college student was evaluated for a red rash on her face after a day at the beach
The student stated that the rash looked different from sunburn and that since she had been feeling generally unwell lately that she decided to have it checked out. Laboratory results were as follows. What is the most reasonable diagnosis and what follow-up testing is most appropriate? Complete blood count (CBC)—slightly low red blood cells, platelets, and white blood cells Urinalysis—2+ protein Renal function tests (BUN and creatinine)—elevated Liver function tests—within normal limits Electrolytes and glucose—within normal limits Antinuclear antibody (ANA)—positive, homogeneous pattern, titer 1:256 Total complement—decreased Complement C3—decreased Complement C4—decreased A) Systemic lupus erythematosus/anti-DS DNA B) Goodpasture's syndrome/rheumatoid factor C) Goodpasture's syndrome/antiglomerular basement membrane antibody D) Autoimmune hepatitis/antismooth muscle antibody E) Systemic lupus erythematosus/antiglomerular basement membrane antibody
What role does surfactant play in preventing respiratory distress syndrome in premature infants?
What will be an ideal response?
Discuss the differences between the central nervous system and the peripheral nervous system
Antibiotics promote bacterial infections.
Answer the following statement true (T) or false (F)