Choose the correct answer from the list. Not all of the answers will be used.Group of answer choices______________: a general term for molecules that bind to ligands.[ Choose ] receptors promoters coactivators histone acetyltransferases ligands nucleosomes zinc fingers histone deacetylases______________ are complexes that shift in position along a DNA strand due to chromatin-remodeling engines.[ Choose ] receptors promoters coactivators histone acetyltransferases ligands nucleosomes zinc fingers histone deacetylasesEnzymes that attach acetyl groups to histones are called ______________.[ Choose ] receptors promoters coactivators histone acetyltransferases ligands nucleosomes zinc fingers histone deacetylases____________ are DNA-binding sites for proteins.