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.
Hemoglobin is affect by sickle cell anemia.
Observation designed to minimize the effects of variables other than the independent variable.
........... the membrane potential will become more POSITIVE.
A membrane become depolarize when sodium enters the neuron via chemically gated sodium channels, this means that, the membrane become more positive when sodium ions diffuse into the cells.<span />
