Semi-conservative DNA replication means that one stand is new DNA and the other contains a newly synthesized strand.
Evolution would least likely be a cause of natural selection.
Natural selection has to do with the survival of the fittest. Therefore, adaptation, variation, and overpopulation all have an impact on natural selection - those who do not adapt to their new surroundings due to overpopulation or those whose bodies have not modified enough will not survive.
The two main types are DNA and RNA
I believe the answer is B. <span>The antibodies on B cells bind to the antigens on the pathogen's surface.
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Answer: She should Avoid Contact with other people's bodily fluids.
Explanation: Hope that helps! (: