What is lactase used for?
a. it is used to make sugar-free milk.
b. it hydrolyses lactose to glucose and fructose.
c. it improves the digestion of milk by some people.
d. it decreases the acidity of the milk.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

What is the correct trna sequence that would match the following mrna sequence.gcgaua

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point