An allosteric enzyme differs from a Michaelis-Menten enzyme because the allosteric enzyme:

Because an allosteric enzyme has multiple active sites

Explanation:

an allosteric enzyme has multiple active sites because it cause a modification binding of an allosteric effector at a certain site which is not the active site. It has multiple active site in which the binding of an active site can affect it's affinity with other active site.

because the asteroid belt is between the mars and jupiter orbits, it is around 2.2 to 3.2 astronomical units (au) from the sun – which is approximately 329,115,316 to 478,713,186 km. the average distance between objects is a massive 600,000 miles.

explanation: