Pepsinogen I is secreted by chief cells, and pepsinogen II is secreted by pyloric glands. The secretion of pepsinogen is stimulated by vagal stimulation, gastrin, and histamine. Pepsinogen I is mainly found in the body of the stomach, where most acid is secreted. Pepsin is a proteolytic enzyme, whereas pepsinogen is a proenzyme. â¢ Pepsin is the active form of pepsinogen while pepsinogen is the inactive precursor of pepsin. â¢ Unlike the pepsin, pepsinogen is secreted by chief cells and pyloric glands.
A reefer ship is a refrigerated cargo ship; a type of ship typically used to transport perishable commodities which require temperature-controlled transportation, such as fruit, meat, fish, vegetables, dairy products and other foods.
Refrigerated truck insurance is commonly referred to as âreefer insuranceâ or âreefer breakdown insurance.â Itâs a type of truck insurance that protects against spoiled refrigerated cargo due to a breakdown in the refrigeration unit. You can also sometimes get a lower rate on reefer insurance if you are willing to pay a larger down payment, usually 10%-20% of the yearly amount. 2  Watch your credit. 3  You should also know that truck insurance companies are pulling credit scores for truckers.