Which cells does IgE bind to in an allergic reaction?
a. B cells
b. T cells
c. neutrophils
d. mast cells
e. eosinophils
D
You might also like to view...
Which of the following focuses on vital
statistics that describe the population?
a. ecostatistics b. population ecology c. demographics d. biostatistics e. community ecology
Which of the following form chains with overlapping ends to form a system of water-carrying tubes, and are dead when mature?
A) collenchyma cells B) sclerenchyma cells C) water-conducting cells D) food-conducting cells
In the pine life cycle, a microspore develops into
a) a pollen grain. b) a sporophyte. c) an ovule. d) a megaspore. e) a seed.
What had to occur in the B. megaterium cultures exposed to UV light for extended periods of time, in order for growth to appear on the plates after 24-48 hours?
A) Thymine dimers must not have formed during the exposure to UV light. B) Endospores must have entered the vegetative cycle. C) Bacterial cells must have been resistant to UV light