The absence of LOS seems to inhibit attachment to epithelial cells and therefore invasion of the host cells (31). A recent study using a mouse model showed a meningococcus mutant defective in LOS sialylation did not colonize (7).). ). ). ). ). ).).
open listing An open listing is almost like a for sale by owner listing. A home seller offers pay a sales commission, to one or more real estate agents, to the first one who brings an acceptable purchase agreement.
The basics of option contracts. A real estate purchase option is a contract on a specific piece of real estate that allows the buyer the exclusive right to purchase the property. Once a buyer has an option to buy a property, the seller cannot sell the property to anyone else.The buyer pays for the option to make this real estate purchase. The option usually includes a predetermined purchase price and is valid for a specified term, such as six months to a year.nce a buyer has an option to buy a property, the seller cannot sell the property to anyone else. The buyer pays for the option to make this real estate purchase.