The answer is A. And here's why.
First the lactase must attach itself to the lactose molecule, upon doing that it hydrolyges it into glucose and galactose.
I hope this helps.
Active transport means the molecules move against a concentration gradient from areas of lower concentration to areas of higher concentration.
The completed sentence with the correct answer is; How does the first sentence in the paragraph help to introduce the main idea. The correct answer is B.
Assessing the perineum for bulging is a nursing priority to a client at the second labor stage. A bulging perineum is caused by the presence of the fetal head against the perineal area and usually signifies imminent birth. Pain medication is not administered this close to the birth instead it crosses the placenta barrier and can cause respiratory distress in the newborn. During this second stage of labor the client is encouraged to push, not pant, with each contraction.
The number of electrons in the outermost shell of an atom determines its reactivity.
