Lac operon gets activated in the presence of lactose, but Trp operon gets deactivated in the presence of tryptophan.
The radiation from the sun
It’s main purpose is to protect the cell from its surroundings
Answer:
Cystic fibrosis (CF) is a genetic (inherited) disease that causes sticky, thick mucus to build up in organs, including the lungs and the digestive system. In people who have CF, thick mucus clogs the airways and makes it difficult to breathe.
