Microbial Growth

Front

Microorganisms require large quantities of this nutrient for use in cell structure and metabolism.

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macronutrient

Front

Microorganisms require small quantities of this nutrient for enzyme function and maintenance of protein structure.

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trace element

Front

Most of the dry weight of a microbial cell is from 

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organic compounds.

Front

Which of the following is not a major element of a microbial cell? Options: copper, carbon, hydrogen, nitrogen

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copper

Front

An important mineral ion of the cytochrome pigments of cellular respiration is

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iron.

Front

An important mineral ion that is a component of chloroplasts and stabilizer of membranes and ribosomes.

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magnesium.

Front

Why is calcium required for bacteria?

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stabilizes the cell wall.

Front

The term photoautotroph refers to an organism that

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gets energy from sunlight.

Front

Aerobic respiration is an example of 

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chemoheterotrophy.

Front

The term obligate refers to

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existing in a very narrow niche.