Soil water status as a function of pressure (tension). Soil water status in natural soils can range from a flooded. condition to drainable gravitational water to plant available water. down to hydroscopic water. Tensions in natural soils do not. exceed -31,000; in this range, water is absorbed from the air.
Let us know with a rating! (1 votes, average: 3.00 out of 5) Loading ... Tay-Sachs disease is a rare genetic condition that affects the nervous system. This condition causes fatty proteins to build up in the brain at toxic levels.
In children with Tay-Sachs disease, the gene that tells the neurones to produce the HexA enzyme is faulty and stops the neurones from producing the enzyme. This means that the fatty substance builds up in the brain and spinal cord, causing cell damage and death. Both boys and girls are equally affected.