How long is the DNA found in each cell?
Question
How long is the DNA found in each cell?
Solution
The DNA in each human cell is about 3 meters long. Here's a step-by-step explanation:
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DNA, or deoxyribonucleic acid, is a molecule that carries most of the genetic instructions used in the development, functioning, and reproduction of all known living organisms and many viruses.
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DNA molecules consist of two strands, coiled around each other to form a double helix.
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Each DNA strand is made up of a long chain of nucleotides. These nucleotides are the basic structural unit of DNA.
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If you were to uncoil the DNA found in one human cell and stretch it out, it would measure about 3 meters long.
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However, this DNA is packaged so tightly within each cell that it fits into a space just 6 micrometers across. That's about 0.0006 centimeters!
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To put it in perspective, if all the DNA in your body was laid end-to-end, it would stretch from the Earth to the Sun and back over 600 times.
Similar Questions
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