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Digestive System.
Ophelia West
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The lac operon enables a bacterium to build the proteins needed for lactose metabolism only when?
Lactose is present, otherwise the lac operon is not needed and is shut off.
Sugar metabolism occurs in association with this organelle?
mitochondria
What is a cytosol?
The fluid portion of the cytoplasm where a part of the cell metabolism occurs.....
What sugars can't be digested by humans?
Lactose- we can not digest the B(1-4) linkage
Is tryptophanase a exoenzyme?
It is an endoenzyme because its hydrolysis occurs within the cell for metabolism
Where and when does lactose metabolism occur in humans?
Digestive System.
The operon that controls the metabolism of lactose is called the what?
its an operon required for the transport and metabolism of lactose.
How does lactaid speed up the breakdown and metabolism of lactose?
It is an artificial enzyme which takes the place of lactase. It acts as a catalyst by lowering the activation energy of the reaction in which lactose is broken down. This speeds up the metabolism of lactose.
Where does Lactose metabolism occur in the human body?
the digestive system
In what organ does lactose intolerance occur?
Lactose Intolerance occurs in the digestive system.
Which process occurs when an organisms body use the nutrients it takes in?
metabolism
The lac operon enables a bacterium to build the proteins needed for lactose metabolism only when?
Lactose is present, otherwise the lac operon is not needed and is shut off.
What is the function of the lacZ gene?
the lacZ gene encodes b-galactosidase, a key enzyme in lactose metabolism. Which lactose is present in the cell, the cell expresses lacZ and metabolizes lactose. source (Matseringbiology.com and campbell biology)
Which represents the collection of chemical reactions that occurs in a cell?
its metabolism
Which process occurs in all animals?
Metabolism.
How is energy stored in humans?
your metabolism
The lac operon enables a bacterium to build the proteins needed for lactose metabolism only when what is presented?
Only when lactose is present; if glucose is present the cell will metabolize glucose over lactose due to glucose being easier for the cell to metabolize.
