The typical lunar eclipse happens when the Sun, Earth and moon are all aligned 180 degrees apart from each other in the sky. When this happens, the Earth casts a shadow onto the moon, so the Sun should not be visible at all if you can still see the moon.
Answer:There are many advantages of immobilisation, one of which is that the enzymes can be reused – catalysing the same reaction many times. Binding the enzymes to a surface also makes them more stable and less likely to denature (lose their shape).
