Soru
Which one is not an essential nutrient for all bacteria to grow? A. Growth factor B. Nitrogen C. Carbon D. Minerals
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Usta · 5 yıl öğretmeni
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Cevap
The correct answer is B. Nitrogen.Essential nutrients for all bacteria to grow include carbon, nitrogen, and minerals. Carbon is the primary source of energy and is necessary for the synthesis of cellular components. Nitrogen is required for the synthesis of proteins and nucleic acids. Minerals, such as iron, magnesium, and calcium, are essential for various cellular processes.Growth factors, on the other hand, are not considered essential nutrients for all bacteria. Growth factors are specific substances that promote the growth and proliferation of certain types of cells or microorganisms. While some bacteria may require growth factors for growth, not all bacteria require them. Therefore, growth factor is not an essential nutrient for all bacteria to grow.