Hello,
The prpuse of protiens is to help keep your body healthy and also it is to Repair anything broken torn or Fractred or Sprained
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...The origin of life on Earth is a set of paradoxes. In order for life to have gotten started, there must have been a genetic molecule.. something like DNA or RNA—capable of passing along blueprints for making proteins, the workhorse molecules of life.
A Non-metal and a Metal react together to form an ionic bond
metals lose electrons to match the numbers of their nearest noble gas
Stage 3 because the person fev1 level is go down not up