Answer 1:
There is about 6 ft of DNA strands in each
of our cells!
The DNA strands don't fold. They curl
around little protein beads [histones], creating
something like tiny beads on a string. This
'string of beads' in each cell is about 6 inches
long.
Then the string of tiny beads coils up into
something that looks like a spring [it's called a
30-nm fiber]. Then the spring-like thing folds
back and forth into a fatter fiber that forms the
arms of the chromosomes.
Folding up the DNA in a cell is like taking a
piece of string as long as a football field and
coiling it down to a half inch long!
Counting all our cells, with 6 ft of DNA in
each cell, all the DNA in my body is long enough
to stretch to the sun and back over 300 times!
Your body isn't full grown, so maybe you only
have enough DNA to stretch to the sun over 200
times.
If you want to read more on this, here's the
website with all this info:
click here please
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