Your answer is a , atoms .
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<span>A heterozygous individual is if a mutation occurs in just one copy of the gene.
If both copies of the gene are mutated than the individual is homozygous</span>
"It binds itself to the receptors present on the surface of the cell membrane,which activates the enzymes present inside cell" is the one event that happens next when <span>a peptide hormone reaches its target cell. The correct option among all the options that are given in the question is the first option or option "A". </span>
