Catalysts are called enzymes it's very important in biology (like what you are doing) A catalyst<span> is something that works by providing an alternative reaction pathway to the reaction product.
Hope this helps you! :)</span>
Answer:
Genetically Modified Organism
Explanation:
DNA condenses to form chromosomes, spindle fibers form, and the nuclear envelope disappears.
Centrosomes migrate to either pole, not chromosomes, and I couldn't find anything that said each chromosome pairs up with its mate.