Which of the following elements is NOT used to build macromolecules such as carbohydrates, proteins, lipids and nucleic acids.*

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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: d

-charlie

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: d

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

which fault and or fold did you find most difficult to diagram

answer///africa and asia;