I’m confused what is really meant about the second question, can this be explained a little if you know? I’m not sure really how to answer it even though it seems obvious

  1. Late antibody response to HIV involves which types of antigens?
    1. Reverse transcriptase
    2. Envelope gene products
    3. Integrase
    4. Gag gene products -p24
  2. It only takes one HIV virus to infect
    1. true
    2. false

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