Q 1. Whether an organism is a phototroph or a chemotroph depends on its source of energy. True/False

Q 2. Inorganic nitrogen must be converted to ammonia to be used by a cell. True/False

Q 3. Phosphorus is one of the major elements needed in larger quantities by microorganisms. True/False

Q 4. Whether an organism is an autotroph or heterotroph depends on its source of nitrogen. True/False

Q 5. Microorganisms require small quantities of ________ for enzyme function and maintenance of protein structure.

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