The correct choice is B. The enzyme binds to the substrate. The other choices are incorrect.
The latter are throat<span> teeth. Most predacious fishes swallow their prey whole, and the teeth are used for grasping and holding prey, for orienting prey to be swallowed (head first) and for working the prey toward the esophagus. There are a variety of tooth types in fishes.</span>
When going from a new moon to a full moon you would see:
B) an increasing amount of lighted side of the moon
