In protein molecules, four levels of molecular organization are known. What do you think, how many levels

In protein molecules, four levels of molecular organization are known. What do you think, how many levels of organization can be distinguished from a DNA molecule; RNA?

DNA has 4 levels of molecular organization. The chromosome is a complex of DNA with histones – a sign of the Quaternary structure.
RNA – different types have different levels. rRNA is a quaternary (ribosome), tRNA is a clover leaf molecule, a tertiary structure, mRNA is only secondary.

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