The molecular interaction between an antigen presenting cell and a T cell is

A. an immunological synapse.
B. clonal expansion.
C. CD95L.
D. regulatory TCR.
E. a dendrite. 


Answer: A

Biology & Microbiology

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Which of the following is found in both archaeal and eukaryotic genomes?

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What fraction of the time will the cross of Aa Bb with Aa Bb produce an offspring that will express the dominant trait

for one of the two alleles? a. 16/16 b. 9/16 c. 6/16 d. 3/16 e. 1/16

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Which piece of evidence BEST supports the "out of Africa" model of the evolution of modern humans?

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Risks for Q fever include contact with infected cattle and drinking unpasteurized milk

Indicate whether the statement is true or false

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