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Adrian caught a virus while staying with his grandmother. A few years later, his mother and sister got the same virus. This virus could spread through touch and direct contact. However, Adrian did not contract the virus this time, even though he was living with his mother and sister. Why did he not get sick?
Adrian’s adaptive immunity remembered the antigens from the virus and gave him lifelong immunity to it.
Adrian’s innate immunity remembered the antigens from the virus and gave him lifelong immunity to it.
Adrian’s skin layer recognized the antigens and attacked them, which prevented the occurrence of the virus again.
Adrian’s innate immunity identified antibodies specific for the virus and targeted them against the antigen.
Adrian’s adaptive immunity produced a higher amount of specific antibodies for the antigen, preventing the virus.
Answers: 3
Biology, 22.06.2019 09:00
The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.
Answers: 2
Biology, 22.06.2019 09:30
Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn
Answers: 1
Biology, 22.06.2019 12:30
This is the interaction of two organisms where one is and the other is neither nor harmed.
Answers: 1
Biology, 22.06.2019 15:00
Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans
Answers: 2
Select all the correct answers.
Adrian caught a virus while staying with his grandmother. A few yea...
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