The reason this compound is chosen, is because it is converted by the enzyme into a green and soluble end-product, and thus its absorbance of 405 nm light can easily be followed with a spectrophotometer, a common laboratory instrument.
The reason this compound is chosen, is. It is converted by the enzyme into a green and soluble end-product. Its absorbance of 405 nm light can easily be followed with a spectrophotometer. A spectrophotometer is a common laboratory instrument.