Which of the following BEST describes how cytokines are released from activated T cells?
A. Cytokines are released near where T-cell receptors are clustered.
B. T cells release cytokines on the side of the cell opposite the MTOC in order to more efficiently distribute the response around the cell.
C. T cells release cytokines evenly around the cell.
D. Cytokines are released in short bursts from pre-formed vesicles full of cytokines.
E. Cytokines are released in whatever direction the MTOC happens to be facing upon TCR ligation.
A
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Owing to the location of the ?-chain locus of the T-cell receptor on chromosome 14, if the _______-chain locus rearranges by somatic recombination, then the ?-chain locus is _______:
a. ?; also rearranged b. ?; deleted c. ?; transcribed d. ?; deleted e. ?; also rearranged.
Which of the following abbreviations is NOT a hormone?
A. TSH B. ACTH C. HgA1C D. T3 E. GH
A/An ____________________ is a small, raised, red lesion that is less than 1/2 centimeter in diameter.?
Fill in the blank(s) with correct word
Which of the following is NOT a source of ionizing radiation?
A. computer screens B. medical X-rays C. radon D. UVA rays