Cholesterol, I believe is the answer.
•are changes in an organisms DNA
In this case i am supposed to use the formula of magnification as indicated in the here
Magnification=size of the image divided by the size of the object
so in this case we have been given magnification and the size of the object
magnification=×10, 000 and size of the object=50 micrometer
size of the image=10000×50
=50,0000 micrometers
The component would be known as a microfiber.