Which of the following is true about enzymes? A:They increase the activation energy which will speed up product production

B:They lower activation energy which will speed up product production.

C:They are checkpoints to make sure the reaction is going smoothly.

D:They decrease the speed of the reaction to make sure that errors are not made.

Which is not a reason to gentically modify an organism? a.changing the dna of a crop plant to make it resistant to pesticides b.changing the dna of a crop plant to make it produce more yield per acre c.changing the dna of a crop plant to make it resistant to insects d.changing the dna of a crop plant to make it more susceptible to pest insects