1 Battalion (Mil) An infantry command of two or more companies, which is the tactical unit of the infantry, or the smallest command which is self-supporting upon the battlefield, and also the unit in which the strength of the infantry of an army is expressed. 2  v. t Battalion To form into battalions.
The mice were never going to leave, in fact they were reproducing! So, I gave in and called a mouse exterminator. I realized I just could not get rid of the mice on my own. What Does a Mouse Exterminator Do? Mouse Control Specialists (some dontâ like to be called exterminators) are experts on the habits, senses and social behaviors of mice. They have been trained in the control and management techniques of the most effective mouse-proofing methods, traps, glue boards, sanitation, and rodenticides.
A laboratory mouse in which a gene affecting hair growth has been knocked out (left), is shown next to a normal lab mouse. Knocking out the activity of a gene provides information about what that gene normally does. Humans share many genes with mice.n some instances, the gene may serve a different function in adults than in developing embryos. Knocking out a gene also may fail to produce an observable change in a mouse or may even produce different characteristics from those observed in humans in which the same gene is inactivated.