Question: A Is there a microbe that could grow on a

a. Is there a microbe that could grow on a medium that contains only the following compounds dissolved in water: CaCO3, MgNO3, FeCl2, ZnSO4, and glucose? Defend your answer.
b. Check the last entry in the cell analysis summary on page 188. Are all needed elements present here? Where is the carbon?
c. A useful mnemonic device for keeping track of major elements required by most organisms is: C HOPKINS Ca Fe, Na Cl Mgood. Read aloud, it becomes, See Hopkin’s Cafe, NaCl (salt) M good! What does each letter stand for?

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