How do enzymes affect chemical reactions and activation energy?

You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?

Ais a group of individuals of the same that exist together in the same place at the same time

Wich organism obtains its energy from dead or decaying matter