<span>1) regulation of enzyme activity. 2) regulation of enzyme production.</span>
For your answer, I am sure your blank is "analyze". This is because you must analyze or "look over" your data that has been collected.
The answer is XX.
X is a female, XX is a female, Y is a male, XY is a female
Schwann - In 1839, he cells are the basic unit of animal structure
Schlieden - In 1838, he discovered cells are the basic unit of plant structure
Hope this helps