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.
Answer: Chloroplast
Explanation: Pigments give the chloroplast and the plant its color.
Your answer is meiosis I'm pretty sure :)
Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.
Nervous muscle action pressure
