Cell Biology

Learn the toughest concepts covered in Cell Biology with step-by-step video tutorials and practice problems by world-class tutors

21. The Immune System

T Cells

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T Cells

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Problem

Cytotoxic T cells are responsible for which of the following responses?

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Problem

Which of the following cell types is responsible for suppressing the activity of T cells?

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Problem

CD4 molecules are found on which of the following cell types?