The lac operon in E. coli regulates genes that code for enzymes required for breakdown of lactose. The lac operon is operon that is activated in the presence of .

Except hold on to his or her beliefs even if there is no evidence for those beliefs.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.