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.
The cost of the average home insurance depends on where you live,what the market value of your home is and how much of your mortgage is paid off. It can cost between $100 and â¦ $300 a month.he average cost for car insurance is around 1500 dollars a year.  The cost will vary depending on driving record, make and model of  car and other factors.