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Q3: The citric acid cycle is used in
Q19: In an endothermic reaction,<br>A) heat flows out
Q20: CH<sub>3</sub>CH₂OH, a nonelectrolyte<br>A)both<br>B)ions<br>C)molecules
Q27: phosphorus<br>A)noble gas<br>B)alkali metal<br>C)nonmetal<br>D)alkaline earth metal<br>E)transition element<br>F)halogen
Q33: When substrate is present in the cell,
Q44: Lysosomes digest and recycle old cell structures.
Q55: What is the symbol of the element
Q63: What is the formula of carbon tetraiodide?<br>A)
Q87: When DNA duplicates itself, the correct placement
Q95: The name of the HSO₄- ion is<br>A)