Amoraine is a cone-shaped deposit of calcite that builds up on the floor of a cave.

The given statement is false.

Explanation:

Stalagmite refers to the cone-shaped deposit of calcite, which accumulates on the floor of a cave. This is not the same as stalactite, which is also a cone-configured deposit, however, it gets accumulated on the ceiling of the cave. While moraine refers to a formation of ridge taking place due to deposition of the fill at the border of a glacier.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products