Which of the following transporters is responsible for transporting galactose across the luminal side of the epithelial membrane of the small intestine?

Explain what happens to milk proteins during the formation of yogurt. (HInt: yogurt is made by fermentation of milk by bacteria, typically Lactobacillus bulgaricus and Streptococcus thermophillus. The bacteria convert milk sugar to lactic acid.)

it is known that exercise is good for diabetics. explain how GLUT 4 transporters may be involved in this beneficial effect of exercise.

Which of the following statements concerning cholesterol regulation is true? (A) SREBP localizes to the ER when cellular cholesterol levels are low.(B) HMG CoA reductase degradation is inhibited when exogenous cholesterol is plentiful.(C) Binding of cholesterol to SREBP causes SREBP to move to the nucleus.(D) Low cellular energy triggers phosphorylation and inhibition of HMG CoA reductase.(E) SREBP binds to a sterol regulatory element in the HMG-CoA reductase gene promoter to decrease gene expression.