The lac operon, which stands for Lactose operon is known as an inducible system. It is the an operon required for the transport and metabolism of lactose some enteric bacteria (Echerichia coli for example). The Lac operon is only activated in the presence of a key molecule. The key molecule is lactose.
From the given options the following best describes the Lac operon:
D. The repressor is freed from the operator when lactose is present.
Answer:
The nucleus contains a cell's DNA.
Are their options? I think I need more info
1. I think natural selections among the animals are base on their ways or their role in the food chain whether they are predator or a prey. Natural selection is the one you will judge if you are gonna leave or die but it doeasnt mean that here is no way of survival. I think there role in the chain mold them and taught them on how to survive in the wild.
2. The best example of it is when and infant started to grow, so an infant baby's center of sensation is their mouth, if they don't like the taste of it they throw it away until the developments are on the process, they begin to walk then to speak.
3.The behavior of an animal like for example the wolves, they use to be in pact to hunts prey so that they could sure the possible outcome in hunting base on that fact, if a wolf will hunt for its self in a group and fast running dears without a plan the possibility is that the wolf will never catch one
