Backup of sewage in the preparation area or a serious pest infestation are hazards or contaminants that are grounds for immediate closure of an operation. A sewer drain backup may be among the most unpleasant experiences one can get as a house owner.
Answer:
The reason why zebra and wildebeest graze in harmony together is because they each eat different parts of the same type of grass. Because wildebeest have no natural leader, the migrating herd often splits up into smaller herds that circle the main, mega-herd, going in different directions.
Explanation:
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Answer:
In case of these gram-negative bacteria, the outer membrane (made of lipid) is firmly bound to the cell wall (made of peptidoglycan). This structure is responsible for maintaining cell integrity against the turgor pressure faced from the outside. Since this outer layer is more permeable to substances moving across the membrane, the next layer - the inner membrane - also adds support to withstand turgor pressure. It will not let an osmolyte (such as sucrose) diffuse through it, thereby maintaining the osmotic pressure in the periplasmic space.
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