How is the central portion of a T cell receptor complex functionally analogous to the center of the B cell receptor complex?
A.
It has two pieces (chains), just like a B-cell receptor.
B. Both receptors bind epitopes (small amino acid sections of antigen molecules).
C. Both bind structures directly on the surface of microbes.
D. Both can be secreted from lymphocytes to bind to pathogens under certain situations.
B
You might also like to view...
Which organism exhibits bipolar staining on the Gram stain, which resembles a "safety-pin" appearance?
a. B. mallei b. B. pseudomallei c. B. diminuta d. B. vesicularis
Which of the following groups are made up of
almost exclusively decomposers? a. Plantae b. Fungi c. Animalia d. Monera e. Protista
Peaceful uses of nuclear power may eventually be limited by:
A) the risk of criminal or terrorist activities, including theft of fissionable material. B) the risk of catastrophic accidents, such as the events in Chernobyl, Ukraine, in 1986. C) the problem of finding a continued source of nuclear fuels. D) the problem of disposing of nuclear wastes.
The force that moves water through xylem is provided by:
A) transpiration. B) active transport. C) osmosis. D) gravity.