What is a substrate? a molecule that changes state
a place where the reaction occurs
a place on the product where the enzyme fits
a reactant that is catalyzed by an enzyme

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.