Once the product is released from the enzyme, after the reaction has taken place, the enzyme is used up and the organism needs to produce more
enzyme for the next reaction.
O True
False

False. I say that because an enzyme remains unchanged in any aspects once it has been used. Hopefully I'm right, good luck.

it will be bbb bbb bbb bbb bbb bbb bbb bbb

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).