<span>1.Gray Matter
2.</span>Central Canal
3.<span>Dorsal and Ventral Root
4.</span><span>Dorsal Root Ganglion
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With each contraction cycle, actin moves relative to myosin. ... ATP can then attach to myosin, which allows the cross-bridge cycle to start again; further muscle contraction can occur. Therefore, without ATP, muscles would remain in their contracted state, rather than their relaxed state.
Answer: The nucleus.
Explanation: In an atom, there are two main parts, the nucleus and the electron cloud/electron shells. The protons and neutrons are located in the nucleus, and the electrons are located in the electron shells/cloud/whatever.
The instructions on a chromosome are called-DNA
-Steel jelly