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.
Natural selection! In the theory of natural selection, those with less beneficial traits won't live to reproduce, but those with beneficial traits will be able to reproduce and pass on those traits to their offspring, which significantly increases the frequency of those beneficial traits.
The sequence and number of amino acids is different (each protein has a unique sequence and arrangement of amino acids).
Answer:
I believe it is Involve only a single nucleotide and if not then its Change the genetic information in DNA
Explanation:
