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What lack of enzyme cause lactose intolerance?
The enzyme which the body uses to digest lactose is lactase.
Did lactase activity depend upon the presence of cofactors?
Yes, lactase activity depends on the presence of cofactors such as magnesium and zinc ions to function optimally. These cofactors help stabilize the enzyme structure and facilitate the breakdown of lactose into glucose and galactose. Without these cofactors, lactase activity may be reduced.
What effect does EDTA have when added to a lactase meditated reaction?
EDTA removes the ions that lactase needs to function as an enzyme. If enough EDTA is added, lactase will no longer have any of it's ion cofactors to aid in the break down of lactose.
People with lactose intolerance produce insufficient amounts of?
the enzyme, lactase
What do you call the Enzyme that breaks down dairy sugar?
lactase
What enzyme is present in infants but absent in adults?
Lactase enzyme is present in infants but can decrease in activity as they grow into adulthood, leading to lactose intolerance in some individuals.
What is the enzyme responsible for breaking down milk sugar?
Lactose is a sugar that is broken down by an enzyme called lactase. This enzyme is produced by cells in the intestinal wall. Some groups of people become lastose intolerant by 2-3 years old. See link below:
What type of macromolecule is lactase?
as a general rule, anything ending in -ase is an enzyme, so lactase is an enzyme that breaks down molecules of lactose
What enzyme act on Lactose?
The enzyme that acts on lactose is called lactase. Lactase breaks down lactose into its component sugars, glucose and galactose, which can then be absorbed by the body. People who are lactose intolerant have low levels of lactase, leading to difficulty digesting lactose.
Which of the following is a brush border enzyme?
lactase
Is lactase heterogeneous?
Yes, lactase can be considered heterogeneous because it is an enzyme that varies in its expression levels and activity between different individuals. Some people have lactase persistence, allowing them to digest lactose effectively, while others have lactase non-persistence, which leads to lactose intolerance. This heterogeneity results from genetic differences and environmental factors.
Why is protein concentration necessary for accurate comparison of the enzyme activity of the fractions?
Enzyme activity sometimes reflects the amount of protein expressed in a cell--however, due to enzyme inhibitors, the enzyme activity is not always reflective of the amount of protein expressed by a cell.
