#1 Excel tutorial on the net. This example illustrates the ISERROR function in Excel. 1. For example, Excel displays the #DIV/0! error when a formula tries to divide a number by 0. The ISERROR function checks whether a value is an error and returns TRUE or FALSE. 2. Use the IF and the ISERROR function.
Ticks are also capable of surviving winter temperatures when they are able to find a host to feed from or a warm location to hide in during the coldest weather months. Generally, adult ticks will still be a threat when temperatures hover around 45 degrees Fahrenheit.
Increasing further temperature damages the active sites and changes their shapes. Substrates can no longer fit into the active sites. At temperatures higher than 60 degrees Celsius enzymes are basically completely denatured. Thus pH and temperature affect the enzyme activity to a great extent as seen above. They are highly sensitive to temperatures as well as pHs.