"They are <span>multicellular" is not a characteristic of bacteria. Although it should be noted that the smallest life forms don't necessarily have to be bacterial. </span>
Different enzymes have specific active sites which can only catalyze one <span>substrate. Enzyme-substrate complexes are produced only when the substrate fits into the active site :)</span>
The answer is C. (The second B).
Because, Bacteria are key to recombinant DNA technology because of one simple fact. The reproduce rapidly.
Answer: The predator is an organism that lives by feeding on other organisms, while prey is usually the organism that is hunted or killed for food.
