Nucleic acid structure is often divided into four

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Nucleic acid structure is often divided into four different levels: primary, secondary, tertiary and quaternary.
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International University, Vietnam National University - HCMC GENERAL BIOLOGY LABORATORY (8)In the forthcoming practical session, you will have to use a number of different chemical solutions: Lugol solution, concentrated HCl, NaOH, CuSO 4 , Soudan III, 20% Ethanol and glycerin.List three solutions, which are most potentially toxic and thus require caution while handing in your opinion. Explain your reason. Concentrated HCl: Concentrated hydrochloric acid (fuming hydrochloric acid) forms acidic mists. Both the mist and the solution have a corrosive effect on human tissue, with the potential to damage respiratory organs, eyes, skin, and intestines irreversibly. Soudan III: After pervading into the body through food, drink , it will have the opportunity to bleed cycle multible organs like kidneys, liver. Lugol solution have the iodine from 1%-5%, it still toxic
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