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Eye_opener Eye_opener
wrote...
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6 years ago
How do cytotoxic T cells kill infected cells?
 
  What will be an ideal response?

Question 2

Which group has a tentacle ringed mouth and a gastrovascular cavity?
 
  a. sponges
  b. cnidarians
  c. flatworms
  d. annelids
  e. arthropods
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wrote...
6 years ago
Answer to q. 1

The cytotoxic T cell binds the infected cell and releases protein-digesting enzymes and perforins. Perforins form channels in the infected cell's membrane. The protein-digesting enzymes then enter the infected cell, causing cell death.

Answer to q. 2

b
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