____________ cells kill virus-infected cells and tumor cells by cell-cell contact.
A) Natural killer
B) Plasma
C) Cytotoxic T
D) Memory B
E) Helper T
Correct Answer:
Verified
Q3: The immune system plays a significant role
Q43: Which statement about vaccines is correct?
A) Vaccines
Q49: _ of T lymphocytes leave the thymus.
A)
Q49: Which body system plays the smallest role
Q51: Which of the statistics regarding the number
Q51: Which body system plays the greatest role
Q52: Which of the following is NOT true
Q54: Which of the following bones does NOT
Q56: During tissue transplant,what is the main reason
Q57: Which substances are examples of antigens?
A) protein
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