Answer:
Rigid and non flexible surface
Explanation:
Enzymes are catalyst that speeds up rate of chemical reactions, they bind to a substrate which are known as reactant substrate to speed up rate of chemical reaction and to unlock the key.
The enzyme is said to be rigid and non flexible fitting perfectly to the surface of the substrate where the reaction takes place. Fitting perfectly enable the enzyme to perform its action on the substrate unlocking the key and activating the action in the molecule.
What system are we talking about? Context is needed... water cycle, cells, etc?
It provided the large numbers of troops needed to reinforce the Allied effort.
Answer:
D. polar bears
Explanation:
it seems that the analogy is comparing parts/characteristics of the animal, so polar bears would make the most sense in this case.
