...expression of other genes..? A scientist clones a regulatory gene that is involved in controlling the expression of other genes, and discovers that the regulatory gene encodes a histone deacetylase enzyme. It is likely that this enzyme regulates gene expresion by
a. causing tighter...
Cell communication in animals may occur by:
1.Passage of chemical messengers between Gap junctions
2. Paracrine signaling
3. Cell-cell recognition by cell surface molecules
4. Hormones
5. All the above