Which macromolecule is the primary energy source for

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Question 22 / 2pointsWhich macromolecule is the primary energy source for organisms?SunlightProteinFatCarbohydrateNucleic acid
Question 32 / 2pointsYou observe a cell under a microscope and don't see a well-defined nucleus. What type of cell is this?
Question 42 / 2pointsWhat is the atomic number of an element with 9 protons, 10 neutrons and 9 electrons?
Question 52 / 2pointsWhich of the following statements about mitosis and meiosis is *NOT* true?

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