10 Questions
Which element is required for the activity of some enzymes, including some involved in protein synthesis?
Potassium (K+)
Which macronutrient contributes to the heat resistance of bacterial endospores?
Calcium (Ca+2)
Which element serves as a cofactor for many enzymes, complexes with ATP, and stabilizes ribosomes and cell membranes?
Magnesium (Mg+2)
Which element plays a major role in cellular respiration, being a key component of cytochromes and a cofactor for enzymes and electron–carrying proteins?
Iron (Fe+2 and Fe+3)
Which macronutrient is used to build carbohydrates, lipids, proteins, and nucleic acids?
Carbon
Which metal element is present at the active site of some enzymes RNA and DNA polymerase?
Cobalt
What is the primary function of Zinc (Zn) in microbes?
Present at the active site of some enzymes RNA and DNA polymerase
Which element is needed for the synthesis of amino acids, purines, pyrimidines, and enzyme cofactors?
Nitrogen
What type of M.O. use light as their energy source?
Autotrophs
What is the final stage of aerobic respiration known as?
Oxidative phosphorylation
Test your knowledge of microbial nutrition and the essential macro-elements required for microbial growth and energy release. Learn about the substances used in biosynthesis and catabolism that are crucial for the growth of microorganisms.
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