What are the factors that affect enzyme activity?

Basically the essay is to just answer both questions in 1-2 paragraph using what I will upload for you (my class notes)

Question 1: Please give 2 similarities and 2 differences between meiosis and mitosis. Why does meiosis lead to genetic variation, while mitosis does not?

Question 2: What are the factors that affect enzyme activity? Discuss one experiment you watched that demonstrated this principle.
-The factors that affect enzyme activity are Enzyme Specificity, temperature, pH, and enzyme or substrate concentration
-The Lab you can talk about is Lab 5.5 titles “Factors that affect Enzyme Activity ”
-These are the videos talking about the factors: