1 Dogs do not need to wait until they are between six months and a year old for spaying or neutering. 2  Most veterinarians recommend having your dog sterilized shortly after the completion of his or her puppy vaccines, around the age of five months. Dogs do not need to wait until they are between six months and a year old for spaying or neutering. 2  Most veterinarians recommend having your dog sterilized shortly after the completion of his or her puppy vaccines, around the age of five months.
alcohol dehydrogenase. (biochemistry). The enzyme that catalyzes the oxidation of ethanol to acetaldehyde.
While it may be a joke to some people, it can be serious as itâs a result of an acetaldehyde dehydrogenase (ALDH2) enzyme deficiency. To put it simply, when you drink alcohol, your liver breaks down the chemicals in the alcohol, but people who lack the ALDH2 enzyme are unable to process it.