Be sure not to let the enzyme fall against the side of the test tube. 22. Add 5 drops of enzyme suspension to 3.0 mL pH 3 buffer and wait a minimum of 5 minutes for the enzyme to be affected by the buffer, then add 3.0 mL 3.0% H 2 O 2 and immediately do steps 7 -12. 23.
Estimates. According to the Federal Reserve Bureau, the average cost of an annual premium for homeowners insurance is between $300 and $1,000. For most homeowners, the annual costs for a homeowners insurance policy can be estimated by dividing the value of the home by 1,000, then multiplying the result by $3.50.
Average Cost. The average cost of homeowners insurance in Ohio in 2009 was $613 -- making it $267 less than the national average. Ohio has some of the lowest homeowners insurance rates in the country, ranking among the 10 states with the lowest premiums.nowing the average cost of homeowners insurance will make comparison shopping easier. The average cost of homeowners insurance in Ohio is valuable information for the homeowners who live here, as it gives them something to compare their yearly premiums to.