Researchers are investigating the use pf gene therapy as a treatment option for human genetic disorders, such as cystic fibrosis. When gene therapy is successful, how does it treat the disorder? A. by activating or "turning on" on or more genes B. by deactivating or "turning off" on or more genes C. by incorporating a human gene into the genomes of bacteria or other organisms D. by replacing a faulty gene with a normal gene in the human genome

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!