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CTLs can kill cells infected with viruses or intracellular bacteria. They also can kill cancerous cells. How might an infected or cancerous cell evade immune control by CTLs?
a. Increased expression of MHC class II molecules.
b. Increased expression of MHC class I molecules.
c. Decreased expression of MHC class I molecules.
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With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.
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How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans
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CTLs can kill cells infected with viruses or intracellular bacteria. They also can kill cancerous ce...
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