dna is often explained as if it was computer code, but its important to remember its literally a bunch of physical strings. just as important as the sequence itself is how these physical strings are packaged and where proteins attach to them, because this determines which parts can even be read
purified dna looks like this in bulk
my beautiful singular gram of DNA
Here are some other images:
It's not ALL DNA, I don't recall the specifics right now, but yes, it does turn into this stringy thing when you purify it for DNA extraction. I was amazed when I saw it for the first time, it really looks like what you would imagine it to be.
