Nutrition is what help us grow and repair, nutrition has nutrients like water, minerals, and vitamins.
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 esophagus.
Explanation:
Which is a long tube that connects the mouth to the stomach
Explanation:
The traits more sensitive noses is advantageous to the species
Answer: D) it is a female with two recessive alleles
Explanation:
Since the shape is a circle, we know it is a female. Since the shape is shaded, we know the posses the recessive trait, meaning they must have two of it's alleles.