Which of the following statements about natural killer cells is true?
SELECT ALL THAT AP...
Biology, 07.05.2020 07:04 rubianny03
Which of the following statements about natural killer cells is true?
SELECT ALL THAT APPLY
Group of answer choices
Natural killer cells are lymphocytes that function as part of the innate immune system.
Natural killer cells secrete toxins onto the surface of neoplasms.
Natural killer cells may bind to the Fc portion of antibodies thereby triggering ADCC.
Natural killer cells destroy virus infected cells.
Natural killer cells require activation by T helper cells, and are responsible for cell-mediated immunity
Answers: 3
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Answers: 1
Biology, 22.06.2019 03:00
In 1959, doctors began using the powerful antibiotic methicillin to treat infections of staphylococcus aureus, but within two years, methicillin-resistant strains of s. aureus (mrsa) appeared. how did the resistant strains of s. aureus emerge? in 1959, doctors began using the powerful antibiotic methicillin to treat infections of staphylococcus aureus, but within two years, methicillin-resistant strains of s. aureus (mrsa) appeared. how did the resistant strains of s. aureus emerge? staphylococcus aureus bacteria that were able to synthesize cell walls using a protein that was not affected by methicillin survived the methicillin treatments and reproduced at higher rates than did other individuals. over time, these resistant individuals became increasingly common. in response to treatment of staphylococcus aureus infections with methicillin, some bacteria began to synthesize cell walls using a protein that was not affected by methicillin. these bacteria survived the methicillin treatments and reproduced at higher rates than did other individuals. over time, these resistant individuals became increasingly common. in response to treatment of staphylococcus aureus infections with methicillin, bacterial populations gradually began to synthesize cell walls using a protein that was not affected by methicillin.
Answers: 3
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Answers: 1
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