This control is called negative feedback. Mechanism of negative feedback. Each metabolic reaction or process is regulated by several enzymes. These enzymes control the rate of these reactions and thus are fundamental in maintaining homeostasis. In a negative-feedback pathways, the end product of a pathway binds to the allosteric site of the first enzyme, closing its active site and blocking the rest of the reactions.
It's none of the above. Sediment can put rocks in water and can cause problems to people. Industry waste can poison people. City sewage makes people get bad diseases when ingested. Hope this helps! ;)
Cell membrane - the thin layer of protein and fat that surrounds the cell, but is inside the cell wall. The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others.
The answer is [ D ] According to me