Recent content by Farrah A

...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