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Otrada [13]
2 years ago
15

Helper t cells are activated by ________ on ___________ cells

Biology
1 answer:
inessss [21]2 years ago
5 0
Helper T cells become activated by interacting with antigen presenting cells. and the second blank space is either cytotoxic t cells or B cells
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2 years ago
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at which location does gravity play a role in moving tectonic plates? at the edge of the plates. in the core. in the mantle. in
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B. At the edge of the plates

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