A. facultative anaerobes
Facultative anaerobes, can grow without oxygen but if oxygen is present; then, it will use the oxygen.
Letter B. is harmed when oxygen is present.
Letter C. its life is dependent on the presence of oxygen
Letter D. a virus that is dependent on the lifespan of the bacteria it is attached to. If the bacteria can't survive in oxygen, bacteriophages will die too.
The correct option is B.
The shapes of enzymes are very important because their shapes determines the kind of chemical reactions that they can catalyse. This is because the substance been catalyzed must fit into the active sites of the enzyme that is been used. In a situation where an enzyme becomes denatured, such an enzymes losses its original shape and this remove from it the capacity to catalyze chemical reactions, thus, it becomes non functional.
Answer:
The answer is A.
Explanation:
This is the definition of the law of conservation of matter (mass).
B. group of the same species that live together.