What type of reaction breaks the bonds that join the phosphate groups in an atp molecule

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.