Which of the following is crucial to activation of the adaptive immune response?
A) memory cells
B) presentation of MHC (major histocompatibility complex)-antigen complex on a cell surface
C) somatic hypermutation
D) phagocytosis of antibody-antigen complex by macrophages in the blood (the humoral response)
Answer: B
You might also like to view...
Bloom's Taxonomy: Knowledge TOP: 39.2 SIGNALING BY NEURONS
18. The neuron resting membrane potential is established due to all of the following EXCEPT
a. the activity of Na+/K+ active transport pumps. b. the presence of impermeable intracellular anions. c. the buildup of Na+ outside the plasma membrane and K+ inside the plasma membrane. d. the distribution of ions inside and outside an axon. e. the threshold potential.
Microtubules of the mitotic spindle attach directly to each chromosome at the centromere
__________________ Indicate whether the statement is true or false.
Among the many functions of wetlands is (are)
A. absorbing storm and overflow waters. B. purifying water by filtering it and breaking down toxic wastes and nutrients. C. providing food and habitats for fish, waterfowl, and wildlife. D. All of the choices are functions performed by wetlands.
Describe the causative agent, epidemiology, presentation, and treatment for 3 causes of infectious blindness
What will be an ideal response?