Insurance for Landlords. Landlord Insurance protects your rental units, private structures and personal property. Landlord's rental property insurance provides all the essential property and liability coverage you need to protect your investment property and yourself.
Using neutral red pH indicator, the agar distinguishes those Gram-negative bacteria that can ferment the sugar lactose (Lac+) from those that cannot (Lac-)fermentation. This medium is also known as an indicator medium and a low selective medium. Presence of bile salts inhibits swarming by Proteus species.
LacZ is a part of the gene family called the lac operon. The lac operon is a system of three genes along with a promoter, terminator, operator and regulator. The three genes present in the lac operon are lacZ, lacY and lacA. The other two genes in the lac operon, lacY and lacA, are also used in the breakdown of lactose but do not have the same function as lacZ.