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Which of the following statements is true? All organisms require carbon as a macronutrient. Most bacterial species can be cultured in the lab. All bacterial species require the same nutrients for growth. Bacterial species use a limited number of nutrient sources.

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Answer:

The correct answer is: All organisms require carbon as a macronutrient.

Explanation:

Macronutrients are elements that are of importance for the nutrition and growth of living organisms. Every organism on Earth, from bacteria to plants and animals, have a big amount of carbon in their composition, making up the 4 types of macromolecules that exist: lipids, proteins, nucleic acids and carbohydrates.

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