CD47,expressed on the Surface of Many Types of Cancer Cells,acts

question 1

Multiple Choice

CD47,expressed on the surface of many types of cancer cells,acts to

• A)Promote cancer cell death by macrophages.
• B)Protect the cancer cell from death by the host immune system.
• C)Allow normal cells to be protected from the immune system.
• D)B and C.
• E)None of the above.

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