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  1. S

    first immune response vs secondary immune response

    when i read the txtbk Heinemann Biology... it says that secondary immune respone is always faster and last longer.. but when i do papers from Success One HSC Biology... it says that secondary immune response is usually delayed and are not long-term. so.. i'm very confused atm.. can...
  2. S

    are we allow to bring food when we're havin HSC??

    haha.. i wonder if i can have my chocolate during my exams.. muahaha
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