I believe it is class, because species are divided into different classes, but families, for example: there's the cat family, and there's the dog family. classes: the carnivores, herbivores, omnivores OR mammals, egg laying, or hermaphrodites
Answer:
1.3
the..... are only found in animal cells
I would say A. The enzyme is the wrong substrate
I hope this helped :3
Carbon dioxide, hydrogen, argon, and neon.
