Dna cannot be visualized under a regular light microscope. Each nucleotide is composed of a single molecule of sugar a single phosphate molecule and one nitrogenous base.
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Nucleotides are the basic units of dna.
What does dna look like under a microscope. If anyone has done a similar prac please describe to me how it looked like under a microscope. A microscope doesn t show you too much when it comes down to molecules. Please just keep it simple.
Chromosomes the spiraling strands of dna that package the series of chemical bits called genes are easily visible through a strong enough microscope if the right stain is used. I was wondering if anyone could help me with my prac write up. Under the electron microscope dna looks like a string.
It doesn t always exist. The structure of dna double helical is of great significance given that it serves to protect the base atoms. You just need to have a lot of it i have a little pot of double stranded dna in the lab and it looks just like almost any other organic compound a white powder.
Students extracted dna from strawberries and looked at the dna under a microscope with and without a stain dye music free background music for videos yout. The prac was to extract dna from split peas. Viruses under the microscope.
These aren t individual helices of dna mind you. Computer renderings and actual images of a dna molecule as seen through an electron microscope enzo di fabrizio via new scientist the image shows a single thread of double stranded dna suspended. Atom under the microscope.
Dna is actually pretty easy to see by the human eye with no microscope. One chromosome contains several million basepairs of dna covering a few hundred genes on average and what you re seeing is a very tightly wound long double strand of dna. What does dna look like.
In order to see an individual strand if dna an electron microscope is required. I am a year 10 student. It will look pretty much what it looks like when it s isolated.
It s clumping of many strands.
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