• an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction
    Video Player is loading.
    Current Time 0:00
    Duration 0:00
    Loaded: 0%
    Stream Type LIVE
    Remaining Time 0:00
     
    1x
      • Chapters
      • descriptions off, selected
      • captions and subtitles off, selected
        Haha
        Wow
        2
        2 Comments 0 Shares 3081 Views