The following are the environmental factors that can damage genes that code for these enzymes. radiation from sun, various chemicals and x-rays. these agents are referred to as environmental mutagens. they result to changes in the genetic make up of the organism and in turn affect the production of enzymes. enzymes are protein in nature and once the DNA has been compromised their production is affected. in most cases mutated DNA produces enzymes with lost or abnormal function.
A verticle group (up and down) is called a GROUP. The horizontal groups (left to right) are called PERIODS
It's simple. To get the enzymes working properly again you just need to remove the irreversible inhibitor and everything will go back to normal.
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One of the most effective means of reducing potential problems is through proper field site selection. Three points should be considered when selecting a field to produce vegetables: field topography, soil type, and water availability and quality.
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