During a single contraction, each myosin molecule undergoes the cycle of cross-bridge formation, movement, release, and return to its original position many times. This process is called _______.
a. excitation-contraction coupling
b. cross-bridge cycling
c. the power stroke
d. the recovery stroke
Ans: b. cross-bridge cycling
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The portion of the intervertebral disk that ruptures is the ____________________.
Fill in the blank(s) with the appropriate word(s).
The anterior and posterior cruciate ligaments help to stabilize the __________ joint.
Fill in the blank(s) with the appropriate word(s).
An atom has 6 electrons, 6 protons, and 6 neutrons. You can tell that this atom belongs to the element _____ because _____________________.
Fill in the blank(s) with the appropriate word(s).
By making two covalent bonds, an O atom (with 8 protons) fills its valence shell. Why does the atom's charge stay close to zero?
What will be an ideal response?