Idiom
It was he who put a spoke in my wheel.

helped in the execution of the plan
destroyed the plan
tried to cause an accident
thwarted in the execution of the plan

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Idiom
Select the correct statement about active and passive immunity.

The antibodies utilized in active immunity are acquired from another organism
Immunological memory is established by passive immunization
Active and passive humoral immunity are both mechanisms of adaptive immunity that useantibodies
A vaccination is an example of the introduction of passive immunity into the body

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