Question

Combine to produce UDP glucose for milk production

a) UDP-glucose pyrophosphorylase

b) Galactose kinase

c) Galactose-1-phosphate uridylyltransferase

d) Galactokinase

Answer 1

UDP-glucose is produced from glucose-1-phosphate and UTP by the enzyme UDP-glucose pyrophosphorylase, which is necessary for combining glucose with galactose to form lactose for milk production.

Step-by-step explanation:

To combine to produce UDP glucose for milk production, it's important to address the specific pathways and enzymes involved in the synthesis of lactose, the main sugar found in milk. Gluucose and galactose combine to form lactose through a glycosidic bond. The enzyme UDP-glucose pyrophosphorylase is directly responsible for the formation of UDP-glucose from glucose-1-phosphate and UTP, which then pairs with galactose to create lactose. The other enzymes listed, such as galactokinase and galactose-1-phosphate uridylyltransferase, are involved in the metabolism of galactose. These enzymes prepare galactose for its role in lactose synthesis, but it is the action of UDP-glucose pyrophosphorylase that produces UDP-glucose specifically.