Select all that are correct or necessary for a nk cell to recognize that a cell under surveillance is infected with a virus.
the inhibitory receptor must be engaged.
there are fewer mhc molecules on the surface of the infected cell.
there are more mhc molecules on the surface bearing peptides from the virus.
the activating receptor must be engaged.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

50% lit on the left side

airlines i think? or a cruise boat? does this work out for u? ?

answer;

medical directors

explanation;

medical directors grants and supervises the privilege or permission to use an aed on an ambulance.

other roles of a medical director includes;

-provide medical leadership, including coordination with local ems and 911 centers.

-provide guidance in equipment selection and deployment

-develop guidelines for responder actions

-oversee medical care that is rendered through the program, including review of all responses to medical emergencies

-ensure appropriate initial training and skill maintenance

-assume overall responsibility for the conduct and operation of all patient care related activities