What are the functions of junk DNA?

Select all that apply.

providing code for protein synthesis
holding the nucleus together
turning genes on and off
protecting the ends of chromosomes

What are the functions of junk DNA?

protecting the ends of chromosomes

Explanation:

Junk DNA entails DNA tha does not code for protein synthesis, they protect the ends of chromosomes according to research studies.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.