The energy source that is directly responsible for muscle fiber contraction is:

0 votes
    glucose.
    glycogen.
    ADP.
    lactic acid.
    ATP.
asked May 27, 2013 in Anatomy & Physiology by anonymous
    

1 Answer

0 votes
ATP.
answered May 28, 2013 by NewSky ~Expert~ (2,450 points)

Related questions

0 votes
1 answer 553 views
0 votes
1 answer 115 views
0 votes
1 answer 21 views
21 views asked Jun 17, 2012 in Anatomy & Physiology by anonymous
0 votes
1 answer 55 views



...